{"id":547,"date":"2026-10-08T18:09:00","date_gmt":"2026-10-08T18:09:00","guid":{"rendered":"https:\/\/liqele.com\/?page_id=547"},"modified":"2026-11-05T09:43:04","modified_gmt":"2026-11-05T09:43:04","slug":"zw20","status":"publish","type":"page","link":"https:\/\/liqele.com\/ru\/products\/zw20\/","title":{"rendered":"ZW20-12 \u2014 \u0432\u0430\u043a\u0443\u0443\u043c\u043d\u044b\u0439 \u043f\u0440\u0435\u0434\u0435\u043b\u044c\u043d\u044b\u0439 \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0439 \u0432\u044b\u043a\u043b\u044e\u0447\u0430\u0442\u0435\u043b\u044c \u0434\u043b\u044f \u043d\u0430\u0440\u0443\u0436\u043d\u043e\u0439 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438"},"content":{"rendered":"<style id=\"zw20-single-product-base\">\n\/* ZW20-12 page-scoped single-product base. 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.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero-copy{max-width:700px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] :is(.lsp-chapter,.lsp-document-heading,.lsp-drawing-heading){grid-template-columns:minmax(0,1fr);gap:32px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-section{padding-block:52px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] :is(#zw20-interfaces,#zw20-documents){padding-block:48px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] h1>.lsp-product-type{font-size:1.625rem}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] :is(.lsp-configuration-heading,.lsp-circuit-reference){grid-template-columns:minmax(0,1fr);gap:22px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-circuit-reference>a{justify-self:start}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-drawing-heading .lsp-button-secondary{justify-self:start}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-document-row{grid-template-columns:minmax(0,1fr);gap:16px;align-items:start}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-document-row>a{justify-self:start}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-document-heading{gap:20px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero-grid{gap:22px}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero-copy{display:contents}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero-identity{order:1;min-width:0}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero-copy>.lsp-actions{order:2;margin-block-start:0}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-product{order:3}\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] 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#zw20-parameters .lsp-chapter-heading{max-width:75ch;margin-block-end:28px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-chapter-heading h2{max-width:none;font-size:2.25rem;line-height:1.2;border-inline-start:4px solid var(--lsp-brand);padding-inline-start:16px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-chapter-heading p{margin-block-start:14px;font-size:1rem;line-height:1.65;color:#454d51;max-width:70ch}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-specification-data{min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-spec-subheading{margin:32px 0 16px;font-size:1.5rem;line-height:1.3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table{width:100%;min-width:0;margin:0;overflow:hidden;border:1px solid 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#dfe5e8;vertical-align:top;text-align:start;white-space:normal;overflow-wrap:break-word}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody th{font-weight:600;color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:first-child{text-align:center;font-size:.75rem;font-weight:700;color:#566166}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:nth-child(3){text-align:center;color:#4d585e}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:last-child{font-weight:500;font-variant-numeric:tabular-nums;color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td::before{content:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody tr:nth-child(even){background:#f5f7f8}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-source-note{margin:16px 0 0;color:#4d585e;font-size:.875rem;line-height:1.65;max-width:88ch}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-chapter-heading h2{font-size:2rem}}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-chapter-heading h2{font-size:1.75rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-spec-subheading{font-size:1.25rem}}\n@media(max-width:650px){\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table table,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody{display:block;width:100%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table caption{display:block;width:100%;padding:17px 16px;font-size:.9375rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody tr{display:grid;grid-template-columns:34px minmax(0,1fr) minmax(0,1fr);gap:12px 10px;width:100%;padding:16px;border-block-start:1px solid #dfe5e8}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody :is(th,td){width:auto;min-width:0;margin:0;padding:0;border:0;white-space:normal;overflow-wrap:break-word;text-align:start}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:first-child{grid-column:1;grid-row:1;align-self:start;padding:2px 5px;border-radius:3px;background:#edf0f2;text-align:center;color:#4d585e}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody th{grid-column:2\/-1;grid-row:1;font-size:1rem;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:nth-child(3){grid-column:1\/3;grid-row:2;min-width:0;text-align:start;font-size:.9375rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:last-child{grid-column:3;grid-row:2;font-size:.9375rem;text-align:start;justify-self:stretch;max-width:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:nth-child(3)::before,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody td:last-child::before{display:block;margin-block-end:3px;color:#4d585e;font-size:.75rem;font-weight:700;content:attr(data-label) \": \"}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-rating-table tbody tr.lsp-spec-longvalue td:last-child{grid-column:1\/-1;grid-row:3}\n}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options{border:1px solid #d9dfe2;background:#fff;min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options table{width:100%;margin:0;border-collapse:collapse;table-layout:fixed;font-size:.875rem;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options caption{padding:18px 22px;text-align:start;font-weight:700;color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options thead th{padding:13px 14px;text-align:start;white-space:normal;background:#263238;color:#fff;font-size:.8125rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options thead th:first-child{width:27%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options thead th:nth-child(2){width:14%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody :is(th,td){padding:14px;border:0;border-block-start:1px solid #dfe5e8;text-align:start;vertical-align:top;white-space:normal;overflow-wrap:anywhere;color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody th{font-weight:600}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody tr:nth-child(even){background:#f5f7f8}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody td::before{content:none}\n@media(max-width:850px){\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options table,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody{display:block;width:100%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options caption{display:block;width:100%;padding:17px 16px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options thead{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip-path:inset(50%)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody tr{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 16px;width:100%;padding:16px;border-block-start:1px solid #dfe5e8}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody :is(th,td){min-width:0;padding:0;margin:0;border:0;font-size:.9375rem;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody th{grid-column:1\/-1;font-size:1rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-parameters .lsp-model-options tbody td::before{display:block;margin-block-end:3px;content:attr(data-label) \": \";color:#4d585e;font-size:.75rem;font-weight:700}\n}\n<\/style>\n<style id=\"zw20-hero-gallery\">\n\/* VZF family image gallery. *\/\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product{grid-area:gallery;align-self:center;justify-self:center;display:block;min-width:0;width:100%;max-width:600px;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery{position:relative;display:block;min-width:0;min-inline-size:0;border:0;padding:0;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-legend,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-radio{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-stage{position:relative;width:100%;aspect-ratio:3\/2;overflow:hidden;border:1px solid #d9dfe2;background:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-image{display:none;position:absolute;inset:0;width:100%;height:100%;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-image img{display:block;width:100%;height:100%;min-width:0;max-width:100%;aspect-ratio:auto;object-fit:contain;background:#fff;transform:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;min-width:0;margin-block-start:12px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs label{display:grid;grid-template-rows:auto 44px;min-width:0;margin:0;align-self:stretch;overflow:hidden;border:1px solid #cfd5d8;background:#f3f5f6;text-align:center;cursor:pointer;outline:0 none;transition:border-color .15s ease}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs img{display:block;width:100%;height:auto;aspect-ratio:3\/2;object-fit:contain;background:#fff;transform:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs label span{display:flex;align-items:center;justify-content:center;min-width:0;padding:5px 6px;border-block-start:1px solid #d9dfe2;color:#3f474a;font-size:.75rem;font-weight:600;line-height:1.3;text-align:center}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs label:hover{border-color:#B92921}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero figcaption{margin:16px 0 0;color:#4d585e;font-size:.8125rem;line-height:1.6;text-align:center}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery>p:empty,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs>p:empty{display:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery>p:has(>.lsp-gallery-radio){display:contents}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery br,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs br{display:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-front:checked) .lsp-gallery-image[data-view=\"front\"]{display:block}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-front:checked) label[for=\"zw20-view-front\"]{outline:2px solid #B92921;outline-offset:-2px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-front:focus-visible) label[for=\"zw20-view-front\"]{outline:3px solid #B92921;outline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-panel:checked) .lsp-gallery-image[data-view=\"panel\"]{display:block}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-panel:checked) label[for=\"zw20-view-panel\"]{outline:2px solid #B92921;outline-offset:-2px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-panel:focus-visible) label[for=\"zw20-view-panel\"]{outline:3px solid #B92921;outline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-rear:checked) .lsp-gallery-image[data-view=\"rear\"]{display:block}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-rear:checked) label[for=\"zw20-view-rear\"]{outline:2px solid #B92921;outline-offset:-2px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-gallery:has(#zw20-view-rear:focus-visible) label[for=\"zw20-view-rear\"]{outline:3px solid #B92921;outline-offset:3px}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs{gap:8px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-gallery-thumbs label span{font-size:.6875rem;padding-inline:4px}}\n<\/style>\n<style id=\"zw20-short-description\">\n\/* VZF family product identity and selection requirements. *\/\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);grid-template-areas:\"gallery identity\" \"gallery description\";gap:14px 52px;align-items:start;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-identity{grid-area:identity;align-self:end;min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-description{grid-area:description;align-self:start;min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-breadcrumb{margin:0 0 28px;padding-inline-start:max(0px,calc((100% - 52px)*.256097560975 - 300px));font-size:.8125rem;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-family{margin:0 0 12px;color:#B92921;font-size:.875rem;font-weight:600;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero h1{margin:0;font-family:\"Noto Sans\",sans-serif;font-weight:700;letter-spacing:-.02em}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-model{display:block;color:#B92921;font-size:2.75rem;line-height:1.15;text-wrap:balance}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-type{display:block;margin-block-start:10px;color:#263238;font-size:1.875rem;line-height:1.25;text-wrap:balance}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-lead{max-width:70ch;margin:0;color:#263238;font-size:1rem;line-height:1.65}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-quick-specs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:20px 0 0;padding:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-quick-specs>div{display:block;min-width:0;padding:10px 11px;border-inline-start:1px solid #B92921;background:#f3f5f6}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-quick-specs dt{margin:0;color:#4d585e;font-size:.8125rem;font-weight:400;line-height:1.4}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-quick-specs dd{margin:3px 0 0;color:#263238;font-size:.9375rem;font-weight:700;line-height:1.45;font-variant-numeric:tabular-nums}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-spec-note{max-width:70ch;margin:16px 0 0;color:#4d585e;font-size:.8125rem;line-height:1.6}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-full-spec-link{margin:12px 0 0;font-size:.875rem;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-full-spec-link a{color:#B92921;font-weight:600;text-decoration:underline;text-underline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-full-spec-link a:hover{color:#941F19}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-actions{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-actions a{min-width:0;min-height:48px;max-width:100%;padding:12px 18px;font-size:.9375rem;line-height:1.5;text-align:center;white-space:normal}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero a:focus-visible{outline:3px solid #B92921;outline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-grid>p:empty{display:none}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:\"identity\" \"gallery\" \"description\";gap:24px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-identity,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-hero-description{align-self:auto}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-breadcrumb{padding-inline-start:0;margin-block-end:22px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-model{font-size:2.5rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-type{font-size:1.75rem}}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-model{font-size:2rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-product-type{font-size:1.5rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] .lsp-hero .lsp-actions a{width:100%}}\n<\/style>\n<style id=\"zw20-sec3-configuration\">\n\/* VZF installation and control decisions. *\/\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces{position:relative;isolation:isolate;padding-block:72px;background:#0d171d;color:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces::before{content:\"\";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(7,14,18,.91),rgba(7,14,18,.83))}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-configuration-heading{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:52px;align-items:end;margin-block-end:32px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces h2{max-width:none;margin:0;color:#fff;font-size:2.25rem;line-height:1.2;text-decoration:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces h2 span{color:#fff;background:#B92921;padding-inline:.12em;border-radius:2px;box-decoration-break:clone;-webkit-box-decoration-break:clone}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-configuration-heading p{max-width:62ch;margin:0;color:#edf1f3;font-size:1rem;line-height:1.7}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .zw20-table-heading{margin:32px 0 16px;color:#fff;font-size:1.5rem;line-height:1.3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-configuration-heading+.zw20-table-heading{margin-block-start:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces :is(.lsp-arrangement-table,.zw20-contact-table){min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces table{display:table;width:100%;margin:0;table-layout:fixed;border-collapse:collapse;border:1px solid rgba(255,255,255,.25);background:rgba(5,11,15,.18);color:#edf1f3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces thead th{padding:15px 20px;background:rgba(255,255,255,.1);color:#fff;text-align:start;font-size:.8125rem;line-height:1.45;border:0;border-block-end:1px solid rgba(255,255,255,.25)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-arrangement-table thead th:first-child{width:22%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-arrangement-table thead th:nth-child(2){width:39%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .zw20-contact-table thead th:first-child{width:48%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody :is(th,td){padding:19px 20px;text-align:start;vertical-align:top;border:0;border-block-end:1px solid rgba(255,255,255,.2);white-space:normal;overflow-wrap:break-word}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody th{color:#fff;font-size:1rem;font-weight:700;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody td{color:#edf1f3;font-size:.9375rem;font-weight:400;line-height:1.65}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-source-note{max-width:88ch;margin:18px 0 0;color:#e1e8eb;font-size:.875rem;line-height:1.65}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;margin:32px 0 0;padding-block-start:28px;border-block-start:1px solid rgba(255,255,255,.25)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups>div{min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups dt{margin:0 0 12px;color:#fff;font-size:1.5rem;font-weight:700;line-height:1.3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups dd{margin:0;color:#edf1f3;font-size:.9375rem;line-height:1.7}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups ul{margin:0;padding-inline-start:19px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups li+li{margin-block-start:12px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces strong{color:#fff}\n@media(max-width:850px){\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces{padding-block:48px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces h2{font-size:2rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-configuration-heading{grid-template-columns:minmax(0,1fr);gap:14px;margin-block-end:28px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups{grid-template-columns:minmax(0,1fr);gap:28px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces table,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody{display:block;width:100%}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces thead{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody tr{display:block;padding:20px 16px;border-block-end:1px solid rgba(255,255,255,.2)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody :is(th,td){display:block;width:auto;padding:0;border:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody th{margin-block-end:16px;font-size:1.125rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody td+td{margin-block-start:20px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces tbody td::before{display:block;margin-block-end:6px;font-size:.8125rem;font-weight:700;color:#e1e8eb;content:attr(data-label)}\n}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces h2{font-size:1.75rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .zw20-table-heading,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups dt{font-size:1.25rem}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-group{padding:0;border:0;border-radius:0;background:none;box-shadow:none;min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-group h3{margin:0 0 18px;color:#fff;font-size:1.5rem;line-height:1.3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-list{display:block;margin:0;padding:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-list>div{display:grid;grid-template-columns:minmax(140px,.65fr) minmax(0,1.35fr);gap:18px;padding:16px 0;border-block-start:1px solid rgba(255,255,255,.22)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-list dt{margin:0;min-width:0;color:#fff;font-size:1rem;font-weight:700;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-list dd{margin:0;min-width:0;max-width:70ch;color:#edf1f3;font-size:.9375rem;line-height:1.7}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-order-note{max-width:90ch;margin:28px 0 0;color:#edf1f3;font-size:.875rem;line-height:1.7}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-list>div{grid-template-columns:minmax(0,1fr);gap:6px}}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-group h3{font-size:1.25rem}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px;margin-block-start:32px;padding-block-start:28px;border-block-start:1px solid rgba(255,255,255,.22)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-group h3{padding:0;border:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups>p:empty{display:none}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-interfaces .lsp-choice-groups{grid-template-columns:minmax(0,1fr);gap:32px}}\n<\/style>\n<style id=\"zw20-sec4-reference-viewer\">\/* FZN64 dimensional and mounting references. *\/\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings{padding-block:72px;background:#f3f5f6;color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-intro{max-width:75ch;margin-block-end:28px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h2{margin:0;color:#263238;font-size:2.25rem;line-height:1.2;text-decoration:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h2::after{content:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h2 span{color:#B92921;background:none;text-decoration:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-intro p{margin:14px 0 0;color:#454d51;font-size:1rem;line-height:1.65}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer{min-width:0;margin:0;padding:0;border:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer>legend,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-radio{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-block-end:20px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs label{display:flex;align-items:center;justify-content:center;min-height:46px;margin:0;padding:10px 18px;border:1px solid #d9dfe2;border-radius:4px;background:#fff;color:#35434b;font-size:.9375rem;font-weight:700;line-height:1.4;text-align:center;cursor:pointer}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-outline:checked) label[for=\"zw20-drawing-outline\"],.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-orientations:checked) label[for=\"zw20-drawing-orientations\"]{border-color:#B92921;background:#B92921;color:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-outline:focus-visible) label[for=\"zw20-drawing-outline\"],.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-orientations:focus-visible) label[for=\"zw20-drawing-orientations\"]{outline:3px solid #B92921;outline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs label:hover{border-color:#B92921}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs label:active{background:#941F19;color:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-stage{padding:28px;border:1px solid #d9dfe2;border-radius:8px;background:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-panel{display:none;min-width:0;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-outline:checked) [data-drawing=\"outline\"],.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer:has(#zw20-drawing-orientations:checked) [data-drawing=\"orientations\"]{display:block}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-block-end:20px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h3{margin:0;color:#263238;font-size:1.5rem;line-height:1.3}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-art{display:flex;align-items:center;justify-content:center;width:100%;background:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-art img{display:block;width:100%;height:auto;max-width:850px;max-height:none;object-fit:contain;aspect-ratio:auto;margin:0;transform:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings figcaption{max-width:90ch;margin:24px 0 0;font-size:.9375rem;color:#454d51;line-height:1.65;text-align:start}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings figcaption p{margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings figcaption p+p{margin-block-start:12px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .lsp-text-link{display:inline-flex;align-items:center;min-height:44px;color:#B92921;font-size:.9375rem;font-weight:700;line-height:1.5;text-decoration:underline;text-underline-offset:3px;white-space:normal}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .lsp-text-link:hover{color:#941F19}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings figcaption .lsp-text-link{margin-block-start:12px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings a:focus-visible{outline:3px solid #B92921;outline-offset:3px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer>p:empty,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-stage>p:empty,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs>p:empty{display:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer>p:has(>.zw20-drawing-radio){display:contents}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-viewer br,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs br{display:none}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings{padding-block:48px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h2{font-size:2rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-stage{padding:20px}}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h2{font-size:1.75rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings h3{font-size:1.25rem}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-stage{padding:14px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-heading{display:block;margin-block-end:16px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-heading .lsp-text-link{margin-block-start:8px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs label{flex:1;min-width:0;padding-inline:12px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-art img{width:100%;max-height:none}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-tabs{grid-template-columns:minmax(0,1fr)}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-panel>p:has(>.zw20-drawing-art){display:contents}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .zw20-drawing-panel>p:empty{display:none}\n<\/style>\n<style id=\"zw20-sec5-document-access\">\/* ZW20 technical files. *\/\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents{padding-block:clamp(64px,7.5vw,96px);border-block-start:1px solid var(--lsp-line);background:var(--lsp-muted)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.86fr);gap:clamp(32px,5vw,72px);align-items:center;margin-block-end:36px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2{max-width:18ch;margin:0;font-size:clamp(2rem,3.2vw,2.8rem);line-height:1.14;text-wrap:balance}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading>p{max-width:52ch;margin:0;color:#3d484d;font-size:1rem;line-height:1.7}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-list{display:block;border:1px solid var(--lsp-line);background:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1.2fr) minmax(176px,.6fr);grid-template-rows:none;gap:32px;align-items:center;min-height:0;padding:28px;border:0;border-block-end:1px solid var(--lsp-line);background:transparent;box-shadow:none;transform:none;transition:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row:last-child{border-block-end:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-summary{display:block;min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-reference-label{display:block;margin:0 0 10px;padding:0;border:0;border-radius:0;background:transparent;color:#4d585e;font-size:.8125rem;font-weight:600;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-reference-label::before{content:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row h3{max-width:none;margin:0;color:var(--lsp-ink);font-size:1.25rem;font-weight:700;line-height:1.4;text-wrap:pretty}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>p{max-width:62ch;margin:0;color:#354147;font-size:.9375rem;line-height:1.7}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a{display:inline-flex;align-items:center;justify-content:center;justify-self:end;min-height:48px;max-width:100%;padding:12px 16px;border:1px solid var(--lsp-ink);background:transparent;color:var(--lsp-ink);font-size:.9375rem;font-weight:600;line-height:1.45;text-align:center;white-space:normal;text-decoration:none;transition:background-color .18s ease,color .18s ease,border-color .18s ease}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a::after{content:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-manual>a{border-color:var(--lsp-brand);background:var(--lsp-brand);color:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a:hover{border-color:var(--lsp-brand-hover);background:var(--lsp-brand-hover);color:#fff}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a:focus-visible{outline:3px solid var(--lsp-brand);outline-offset:4px}\n@media(max-width:900px){\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading{grid-template-columns:minmax(0,1fr);gap:20px;margin-block-end:28px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2{max-width:22ch}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row{grid-template-columns:minmax(0,1fr);gap:16px;align-items:start;padding:24px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a{justify-self:start}\n}\n@media(max-width:600px){\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents{padding-block:50px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading{gap:18px;margin-block-end:24px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row{padding:20px;gap:14px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row h3{font-size:1.125rem}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a{width:100%}\n}\n@media(prefers-reduced-motion:reduce){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>a{transition:none}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents{padding-block:72px;background:#f3f5f6}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading{display:block;max-width:75ch;margin-block-end:28px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2{max-width:none;font-size:2.25rem;line-height:1.2;text-decoration:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2::after{content:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2 span{color:#B92921;background:none;text-decoration:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading>p{max-width:75ch;margin:14px 0 0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>p{font-size:1rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row>p:empty,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-list>p:empty{display:none}\n@media(max-width:850px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents{padding-block:48px}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2{font-size:2rem}}\n@media(max-width:500px){.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-heading h2{font-size:1.75rem}}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents h2,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row h3{color:#263238}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-action{display:flex;justify-content:flex-end;align-items:center;min-width:0}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-action>p{display:contents}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-action>br,.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-action>p>br{display:none}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-documents .lsp-document-row .lsp-button-secondary{min-height:48px;border:1px solid #B92921;background:#fff;color:#B92921}.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] 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.lsp-rating-table{margin-block:24px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-product-gallery>p,\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawing-selector>p{display:contents;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-product-gallery>p>br,\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawing-selector>p>br{display:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-product-gallery .lsp-gallery-thumbs>br{display:none}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .lsp-outline-stage img{aspect-ratio:auto;object-fit:contain;width:100%;height:auto}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #zw20-drawings .lsp-outline-stage>a{max-width:1050px;margin-inline:auto}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]:has(#zw20-parameters:target) .lsp-section-nav a[href=\"#zw20-parameters\"],\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]:has(#zw20-interfaces:target) .lsp-section-nav a[href=\"#zw20-interfaces\"],\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]:has(#zw20-drawings:target) .lsp-section-nav a[href=\"#zw20-drawings\"],\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]:has(#zw20-documents:target) .lsp-section-nav a[href=\"#zw20-documents\"],\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]:has(#zw20-inquiry:target) .lsp-section-nav a[href=\"#zw20-inquiry\"]{color:var(--lsp-brand);text-decoration:underline;text-decoration-thickness:2px}\n@media(max-width:850px){\n  .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"]{--lsp-header-clearance:80px}\n}\n<\/style>\n<style id=\"zw20-reduced-motion\" media=\"(prefers-reduced-motion: reduce)\">html:root:root{scroll-behavior:auto!important}<\/style>\n<div class=\"liq-page alignfull\" data-single-product=\"model\" data-liq-page=\"zw20\">\n<section class=\"lsp-hero\" aria-labelledby=\"zw20-title\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-hero-grid\">\n<div class=\"lsp-hero-identity\">\n<p class=\"lsp-family\">Outdoor distribution \u00b7 boundary switching<\/p>\n<h1 id=\"zw20-title\"><span class=\"lsp-model\">ZW20-12<\/span><span class=\"lsp-product-type\">Outdoor vacuum boundary circuit breaker<\/span><\/h1>\n<\/div>\n<figure class=\"lsp-product\">\n<fieldset class=\"lsp-product-gallery\" id=\"zw20-product-gallery\">\n<legend class=\"lsp-gallery-legend\">ZW20-12 product views<\/legend>\n<p><input class=\"lsp-gallery-radio\" id=\"zw20-view-front\" name=\"zw20-product-view\" type=\"radio\" checked\/><input class=\"lsp-gallery-radio\" id=\"zw20-view-panel\" name=\"zw20-product-view\" type=\"radio\"\/><input class=\"lsp-gallery-radio\" id=\"zw20-view-rear\" name=\"zw20-product-view\" type=\"radio\"\/><\/p>\n<div class=\"lsp-gallery-stage\">\n<figure class=\"lsp-gallery-image\" data-view=\"front\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-three-quarter-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"Front three-quarter view of a ZW20-12 outdoor vacuum boundary circuit breaker.\" decoding=\"async\" loading=\"eager\" fetchpriority=\"high\"><\/figure>\n<figure class=\"lsp-gallery-image\" data-view=\"panel\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-panel-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"ZW20-12 front panel, operating handle and bushings.\" decoding=\"async\" loading=\"lazy\"><\/figure>\n<figure class=\"lsp-gallery-image\" data-view=\"rear\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-opposite-angle-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"Opposite three-quarter view of a ZW20-12 outdoor vacuum boundary circuit breaker.\" decoding=\"async\" loading=\"lazy\"><\/figure>\n<\/div>\n<div class=\"lsp-gallery-thumbs\" aria-label=\"Choose a product view\"><label for=\"zw20-view-front\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-three-quarter-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"\" aria-hidden=\"true\" loading=\"lazy\" decoding=\"async\"><span>Front angle<\/span><\/label><label for=\"zw20-view-panel\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-panel-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"\" aria-hidden=\"true\" loading=\"lazy\" decoding=\"async\"><span>Front panel<\/span><\/label><label for=\"zw20-view-rear\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-opposite-angle-1200x800-1.webp\" width=\"1200\" height=\"800\" alt=\"\" aria-hidden=\"true\" loading=\"lazy\" decoding=\"async\"><span>Opposite angle<\/span><\/label><\/div>\n<\/fieldset><figcaption>Check the selected breaker, sensing package and mounting arrangement against the approved order drawing.<\/figcaption><\/figure>\n<div class=\"lsp-hero-description\">\n<p class=\"lsp-lead\">A 12 kV outdoor vacuum boundary circuit breaker for overhead distribution networks. Select the operating mechanism, integral disconnector, controller and CT\/PT package to suit the required switching and protection duties.<\/p>\n<dl class=\"lsp-quick-specs\" aria-label=\"Key ZW20-12 selection details\">\n<div>\n<dt>Rated voltage<\/dt>\n<dd>12 kV<\/dd>\n<\/div>\n<div>\n<dt>Current options<\/dt>\n<dd>630 \/ 1,250 A<\/dd>\n<\/div>\n<div>\n<dt>Breaking-current options<\/dt>\n<dd>16 \/ 20 \/ 25 kA<\/dd>\n<\/div>\n<div>\n<dt>Installation<\/dt>\n<dd>Outdoor<\/dd>\n<\/div>\n<div>\n<dt>Operation<\/dt>\n<dd>Manual \/ motor<\/dd>\n<\/div>\n<div>\n<dt>Integral disconnector<\/dt>\n<dd>Optional<\/dd>\n<\/div>\n<\/dl>\n<p class=\"lsp-spec-note\">Confirm the current and breaking-duty combination for the assembly ordered. Common configurations below are 630 A \/ 20 kA; the available insulation-test report covers a separate 630 A \/ 25 kA sample.<\/p>\n<p class=\"lsp-full-spec-link\"><a href=\"#zw20-parameters\">View ratings and model options<\/a><\/p>\n<div class=\"lsp-actions\"><a class=\"lsp-button\" href=\"\/contact\/?family=outdoor&amp;model=ZW20-12&amp;request_type=quotation\">Discuss a ZW20-12 configuration<\/a><a class=\"lsp-button-secondary\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outdoor-vacuum-boundary-circuit-breaker-manual.pdf\" target=\"_blank\" rel=\"noopener\">Open product manual<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<nav class=\"lsp-section-nav\" aria-label=\"ZW20-12 page sections\" data-section-nav>\n<div class=\"lsp-wrap\"><a href=\"#zw20-parameters\">Specifications<\/a><a href=\"#zw20-interfaces\">Options<\/a><a href=\"#zw20-drawings\">Drawings<\/a><a href=\"#zw20-documents\">Documents<\/a><a href=\"#zw20-inquiry\">FAQ<\/a><\/div>\n<\/nav>\n<section class=\"lsp-section lsp-muted\" id=\"zw20-parameters\" aria-labelledby=\"zw20-ratings-title\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-specification-layout\">\n<div class=\"lsp-chapter-heading lsp-specification-intro\">\n<h2 id=\"zw20-ratings-title\">ZW20-12 <span>technical specifications.<\/span><\/h2>\n<p>Select a complete current and breaking-duty pair with the required mechanism. The common configurations below are 630 A \/ 20 kA; confirm a separate rating schedule for other assemblies.<\/p>\n<\/div>\n<div class=\"lsp-specification-data\">\n<h3 class=\"lsp-spec-subheading\">Model configurations<\/h3>\n<div class=\"lsp-model-options\">\n<table>\n<caption>Common 630 A \/ 20 kA configurations<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">Model code<\/th>\n<th scope=\"col\">Rated voltage<\/th>\n<th scope=\"col\">Current \/ breaking duty<\/th>\n<th scope=\"col\">Operation<\/th>\n<th scope=\"col\">Integral disconnector<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">ZW20-12\/630-20<\/th>\n<td data-label=\"Rated voltage\">12 kV<\/td>\n<td data-label=\"Current \/ breaking duty\">630 A \/ 20 kA<\/td>\n<td data-label=\"Operation\">Manual<\/td>\n<td data-label=\"Integral disconnector\">Without<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">ZW20-12G\/630-20<\/th>\n<td data-label=\"Rated voltage\">12 kV<\/td>\n<td data-label=\"Current \/ breaking duty\">630 A \/ 20 kA<\/td>\n<td data-label=\"Operation\">Manual<\/td>\n<td data-label=\"Integral disconnector\">With<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">ZW20-12\/630-20<\/th>\n<td data-label=\"Rated voltage\">12 kV<\/td>\n<td data-label=\"Current \/ breaking duty\">630 A \/ 20 kA<\/td>\n<td data-label=\"Operation\">Electric<\/td>\n<td data-label=\"Integral disconnector\">Without<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">ZW20-12G\/630-20<\/th>\n<td data-label=\"Rated voltage\">12 kV<\/td>\n<td data-label=\"Current \/ breaking duty\">630 A \/ 20 kA<\/td>\n<td data-label=\"Operation\">Electric<\/td>\n<td data-label=\"Integral disconnector\">With<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"lsp-source-note\">G identifies the integral-disconnector configuration. Specify the controller, sensing and protection package with the complete model code.<\/p>\n<h3 class=\"lsp-spec-subheading\">Electrical ratings<\/h3>\n<div class=\"lsp-rating-table\">\n<table>\n<caption>Breaker ratings and insulation<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">No.<\/th>\n<th scope=\"col\">Item<\/th>\n<th scope=\"col\">Unit<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"lsp-spec-number\">01<\/td>\n<th scope=\"row\">Rated voltage<\/th>\n<td data-label=\"Unit\">kV<\/td>\n<td data-label=\"Value\"><span>12<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">02<\/td>\n<th scope=\"row\">Interrupting medium<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>Vacuum<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">03<\/td>\n<th scope=\"row\">Insulating medium<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>SF\u2086 \/ N\u2082 mixed gas<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">04<\/td>\n<th scope=\"row\">Open-gap power-frequency withstand voltage<\/th>\n<td data-label=\"Unit\">kV<\/td>\n<td data-label=\"Value\"><span>48 \u00b7 dry and wet<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">05<\/td>\n<th scope=\"row\">Open-gap lightning impulse withstand voltage, peak<\/th>\n<td data-label=\"Unit\">kV<\/td>\n<td data-label=\"Value\"><span>85<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">06<\/td>\n<th scope=\"row\">Phase-to-earth \/ phase-to-phase power-frequency withstand<\/th>\n<td data-label=\"Unit\">kV<\/td>\n<td data-label=\"Value\"><span>42 dry \u00b7 34 wet<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">07<\/td>\n<th scope=\"row\">Phase-to-earth \/ phase-to-phase lightning impulse withstand, peak<\/th>\n<td data-label=\"Unit\">kV<\/td>\n<td data-label=\"Value\"><span>75<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">08<\/td>\n<th scope=\"row\">Rated current values<\/th>\n<td data-label=\"Unit\">A<\/td>\n<td data-label=\"Value\"><span>630 \u00b7 1,250<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">09<\/td>\n<th scope=\"row\">Rated short-circuit breaking current values<\/th>\n<td data-label=\"Unit\">kA<\/td>\n<td data-label=\"Value\"><span>16 \u00b7 20 \u00b7 25<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">10<\/td>\n<th scope=\"row\">Breaking operations at rated short-circuit current<\/th>\n<td data-label=\"Unit\">operations<\/td>\n<td data-label=\"Value\"><span>30<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">11<\/td>\n<th scope=\"row\">Four-second rated short-time withstand current<\/th>\n<td data-label=\"Unit\">kA<\/td>\n<td data-label=\"Value\"><span>16 \u00b7 20 \u00b7 25<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">12<\/td>\n<th scope=\"row\">Rated short-circuit making current, peak<\/th>\n<td data-label=\"Unit\">kA<\/td>\n<td data-label=\"Value\"><span>40 \u00b7 50 \u00b7 63<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">13<\/td>\n<th scope=\"row\">Rated peak withstand current<\/th>\n<td data-label=\"Unit\">kA<\/td>\n<td data-label=\"Value\"><span>40 \u00b7 50 \u00b7 63<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">14<\/td>\n<th scope=\"row\">Mechanical life<\/th>\n<td data-label=\"Unit\">operations<\/td>\n<td data-label=\"Value\"><span>\u2265 10,000<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">15<\/td>\n<th scope=\"row\">Breaking operations at rated current<\/th>\n<td data-label=\"Unit\">operations<\/td>\n<td data-label=\"Value\"><span>10,000<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">16<\/td>\n<th scope=\"row\">Net weight<\/th>\n<td data-label=\"Unit\">kg<\/td>\n<td data-label=\"Value\"><span>180<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"lsp-source-note\">Current and breaking-duty values are separate options. Confirm their matched combination, insulation duty and complete assembly before procurement.<\/p>\n<h3 class=\"lsp-spec-subheading\">Mechanism and supply<\/h3>\n<div class=\"lsp-rating-table\">\n<table>\n<caption>Mechanical and operating characteristics<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">No.<\/th>\n<th scope=\"col\">Item<\/th>\n<th scope=\"col\">Unit<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"lsp-spec-number\">01<\/td>\n<th scope=\"row\">Contact opening distance<\/th>\n<td data-label=\"Unit\">mm<\/td>\n<td data-label=\"Value\"><span>9 +1 \/ \u22120.5<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">02<\/td>\n<th scope=\"row\">Contact overtravel<\/th>\n<td data-label=\"Unit\">mm<\/td>\n<td data-label=\"Value\"><span>3 +1 \/ \u22120.5<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">03<\/td>\n<th scope=\"row\">Opening velocity<\/th>\n<td data-label=\"Unit\">m\/s<\/td>\n<td data-label=\"Value\"><span>1.2 \u00b1 0.2<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">04<\/td>\n<th scope=\"row\">Closing velocity<\/th>\n<td data-label=\"Unit\">m\/s<\/td>\n<td data-label=\"Value\"><span>0.6 \u00b1 0.2<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">05<\/td>\n<th scope=\"row\">Contact closing bounce time<\/th>\n<td data-label=\"Unit\">ms<\/td>\n<td data-label=\"Value\"><span>\u2264 2<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">06<\/td>\n<th scope=\"row\">Phase-to-phase center distance<\/th>\n<td data-label=\"Unit\">mm<\/td>\n<td data-label=\"Value\"><span>275 \u00b1 1<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">07<\/td>\n<th scope=\"row\">External live-part air clearance<\/th>\n<td data-label=\"Unit\">mm<\/td>\n<td data-label=\"Value\"><span>235 \u00b1 2<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">08<\/td>\n<th scope=\"row\">External creepage distance ratio<\/th>\n<td data-label=\"Unit\">cm\/kV<\/td>\n<td data-label=\"Value\"><span>3.8<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">09<\/td>\n<th scope=\"row\">Three-phase opening asynchronism<\/th>\n<td data-label=\"Unit\">ms<\/td>\n<td data-label=\"Value\"><span>\u2264 2<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">10<\/td>\n<th scope=\"row\">Conductive circuit resistance per phase<\/th>\n<td data-label=\"Unit\">\u03bc\u03a9<\/td>\n<td data-label=\"Value\"><span>\u2264 150<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">11<\/td>\n<th scope=\"row\">Closing time<\/th>\n<td data-label=\"Unit\">ms<\/td>\n<td data-label=\"Value\"><span>20\u201360<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">12<\/td>\n<th scope=\"row\">Opening time<\/th>\n<td data-label=\"Unit\">ms<\/td>\n<td data-label=\"Value\"><span>18\u201345<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">13<\/td>\n<th scope=\"row\">Energy-storage motor rated power<\/th>\n<td data-label=\"Unit\">W<\/td>\n<td data-label=\"Value\"><span>&gt; 40<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">14<\/td>\n<th scope=\"row\">Energy-storage motor rated voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 220<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">15<\/td>\n<th scope=\"row\">Rated closing operation voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 220<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">16<\/td>\n<th scope=\"row\">Maximum \/ minimum closing operation voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 264 \/ 143<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">17<\/td>\n<th scope=\"row\">Rated opening operation voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 220<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">18<\/td>\n<th scope=\"row\">Maximum \/ minimum opening operation voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 264 \/ 143<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">19<\/td>\n<th scope=\"row\">Maximum \/ minimum motor voltage<\/th>\n<td data-label=\"Unit\">V<\/td>\n<td data-label=\"Value\"><span>AC 242 \/ 187<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">20<\/td>\n<th scope=\"row\">SF\u2086 gas pressure, gauge<\/th>\n<td data-label=\"Unit\">MPa<\/td>\n<td data-label=\"Value\"><span>0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"lsp-source-note\">The mechanism values above use AC 220 V. Match the actual motor, opening\/closing circuits and controller supply to the order schematic. Confirm the enclosure gas specification and pressure before servicing.<\/p>\n<h3 class=\"lsp-spec-subheading\">Service conditions<\/h3>\n<div class=\"lsp-rating-table\">\n<table>\n<caption>Normal service conditions<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">No.<\/th>\n<th scope=\"col\">Item<\/th>\n<th scope=\"col\">Unit<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"lsp-spec-number\">01<\/td>\n<th scope=\"row\">Installation altitude<\/th>\n<td data-label=\"Unit\">m<\/td>\n<td data-label=\"Value\"><span>\u2264 2,000<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">02<\/td>\n<th scope=\"row\">Outdoor ambient temperature<\/th>\n<td data-label=\"Unit\">\u00b0C<\/td>\n<td data-label=\"Value\"><span>\u221230 to +55<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">03<\/td>\n<th scope=\"row\">Highest annual mean temperature<\/th>\n<td data-label=\"Unit\">\u00b0C<\/td>\n<td data-label=\"Value\"><span>20<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">04<\/td>\n<th scope=\"row\">Highest daily mean temperature<\/th>\n<td data-label=\"Unit\">\u00b0C<\/td>\n<td data-label=\"Value\"><span>30<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">05<\/td>\n<th scope=\"row\">Relative humidity<\/th>\n<td data-label=\"Unit\">%<\/td>\n<td data-label=\"Value\"><span>95 at 25 \u00b0C<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">06<\/td>\n<th scope=\"row\">Ground acceleration, horizontal<\/th>\n<td data-label=\"Unit\">g<\/td>\n<td data-label=\"Value\"><span>0.3<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">07<\/td>\n<th scope=\"row\">Ground acceleration, vertical<\/th>\n<td data-label=\"Unit\">g<\/td>\n<td data-label=\"Value\"><span>0.15<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">08<\/td>\n<th scope=\"row\">Simultaneous seismic input<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>Three simultaneous sinusoidal waves<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">09<\/td>\n<th scope=\"row\">Seismic safety factor<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>1.67<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">10<\/td>\n<th scope=\"row\">Seismic intensity<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>7<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">11<\/td>\n<th scope=\"row\">Maximum daily temperature difference<\/th>\n<td data-label=\"Unit\">\u00b0C<\/td>\n<td data-label=\"Value\"><span>25<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">12<\/td>\n<th scope=\"row\">Solar radiation intensity (at 0.5 m\/s wind)<\/th>\n<td data-label=\"Unit\">W\/cm\u00b2<\/td>\n<td data-label=\"Value\"><span>0.1<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">13<\/td>\n<th scope=\"row\">Maximum wind speed<\/th>\n<td data-label=\"Unit\">m\/s<\/td>\n<td data-label=\"Value\"><span>34<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">14<\/td>\n<th scope=\"row\">Maximum icing thickness<\/th>\n<td data-label=\"Unit\">mm<\/td>\n<td data-label=\"Value\"><span>10<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">15<\/td>\n<th scope=\"row\">Installation setting<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>Outdoor \u00b7 10 kV overhead-line customer supply boundary<\/span><\/td>\n<\/tr>\n<tr>\n<td class=\"lsp-spec-number\">16<\/td>\n<th scope=\"row\">Grounding systems<\/th>\n<td data-label=\"Unit\">\u2014<\/td>\n<td data-label=\"Value\"><span>Neutral ungrounded \u00b7 resonant grounding coil \u00b7 low-resistance grounding<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"lsp-source-note\">Check altitude, climate, grounding and mounting conditions against the site specification. Conditions outside this envelope require an agreed equipment specification.<\/p>\n<h3 class=\"lsp-spec-subheading\">Named test sample<\/h3>\n<div class=\"lsp-rating-table\">\n<table>\n<caption>ZW20-12\/630-25 sample \u2014 SL2023\/0793-01<\/caption>\n<thead>\n<tr>\n<th scope=\"col\">No.<\/th>\n<th scope=\"col\">Item<\/th>\n<th scope=\"col\">Unit<\/th>\n<th scope=\"col\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"lsp-spec-number\">01<\/td>\n<th scope=\"row\">Rated frequency \u2014 ZW20-12\/630-25 sample<\/th>\n<td data-label=\"Unit\">Hz<\/td>\n<td data-label=\"Value\"><span>50<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"lsp-source-note\">The 50 Hz value identifies the named 630 A \/ 25 kA sample. Confirm frequency for the assembly ordered. The report covers insulation-performance tests; see the <a href=\"#zw20-documents\">report scope and product files<\/a>.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<section class=\"lsp-section lsp-interface-section lsp-configuration\" id=\"zw20-interfaces\" aria-labelledby=\"zw20-configuration-title\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-configuration-heading\">\n<h2 id=\"zw20-configuration-title\">Mounting and <span>control options.<\/span><\/h2>\n<p>Choose the mounting layout, mechanism, sensing and control package. Specify the complete assembly and wiring requirements for the equipment ordered.<\/p>\n<\/div>\n<h3 class=\"zw20-table-heading\" id=\"zw20-installation-title\">Installation interfaces<\/h3>\n<div class=\"lsp-arrangement-table\">\n<table aria-labelledby=\"zw20-installation-title\">\n<thead>\n<tr>\n<th scope=\"col\">Arrangement<\/th>\n<th scope=\"col\">Choices<\/th>\n<th scope=\"col\">Order check<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<th scope=\"row\">Pole support<\/th>\n<td data-label=\"Choices\">No mounting bracket is standard. Choose a single-pole or double-pole support if required; single-pole is usual when a support is fitted.<\/td>\n<td data-label=\"Order check\">Specify pole spacing, support hardware and operating access on the installation drawing.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Integral disconnector<\/th>\n<td data-label=\"Choices\">Standard: without. Specify the isolator-equipped G arrangement when required.<\/td>\n<td data-label=\"Order check\">Confirm the complete model code, switching sequence and interlocks against the assembly schematic.<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Outlet and insulating covers<\/th>\n<td data-label=\"Choices\">Bushing outlets are standard. Inlet\/outlet covers and isolator covers are optional; no covers is the standard selection.<\/td>\n<td data-label=\"Order check\">Match cable landings, cover set and electrical clearances to the approved installation drawing.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div class=\"lsp-choice-groups\" aria-label=\"Operating and sensing choices\">\n<div class=\"lsp-choice-group\" aria-labelledby=\"zw20-operating-options\">\n<h3 id=\"zw20-operating-options\">Mechanism and control<\/h3>\n<dl class=\"lsp-choice-list\">\n<div>\n<dt>Breaker housing<\/dt>\n<dd>Spray-painted steel is standard; stainless steel is an option.<\/dd>\n<\/div>\n<div>\n<dt>Operation and supply<\/dt>\n<dd>Manual, manual closing\/electric opening, electric or intelligent operation. Intelligent is the standard selection. Specify 220 V operation; the technical schedule uses AC 220 V. Confirm the selected mechanism, motor and controller supply.<\/dd>\n<\/div>\n<div>\n<dt>Operating PT<\/dt>\n<dd>None, one single-phase PT or one three-phase five-column PT. Standard: one single-phase PT, 10 kV \/ 220 V. Match its supply and connections to the selected controller.<\/dd>\n<\/div>\n<div>\n<dt>Controller and support<\/dt>\n<dd>Standard: stainless-steel box. An insulating bell-type enclosure is an option. A controller mounting bracket is optional and omitted as standard.<\/dd>\n<\/div>\n<div>\n<dt>Communications and battery<\/dt>\n<dd>Standard: no communications or backup battery. Options include GSM\/SMS, GPRS remote access, or remote access with software; a backup battery is optional. Confirm network and controller compatibility.<\/dd>\n<\/div>\n<\/dl>\n<\/div>\n<div class=\"lsp-choice-group\" aria-labelledby=\"zw20-sensing-options\">\n<h3 id=\"zw20-sensing-options\">Sensing and protection<\/h3>\n<dl class=\"lsp-choice-list\">\n<div>\n<dt>Current sensing<\/dt>\n<dd>Select two or three phase CTs and specify any independent zero-sequence CT. Two CTs omit B-phase measurement and synthesized zero-sequence current; 3 CTs enable synthesis for intelligent models.<\/dd>\n<\/div>\n<div>\n<dt>CT ratio and accuracy<\/dt>\n<dd>Select 200\/5, 400\/5 or 600\/5. Factory connection: 600\/5; default accuracy: 10P10. Specify the actual connected ratio and accuracy class.<\/dd>\n<\/div>\n<div>\n<dt>Zero-sequence protection<\/dt>\n<dd>None, independent sensing or synthesis from three CTs. Synthesized zero-sequence protection is the standard intelligent selection.<\/dd>\n<\/div>\n<div>\n<dt>Optional functions<\/dt>\n<dd>Metering, prepayment and CT secondary open-circuit protection are optional and omitted if not selected. Specify the required functions and confirm the controller and terminal behavior.<\/dd>\n<\/div>\n<\/dl>\n<\/div>\n<\/div>\n<p class=\"lsp-order-note\">ZW20Z-12\/630-20 identifies an intelligent configuration. Specify the complete designation and controller, protection functions, CT connections and approved terminal schedule. Confirm installation guidance and software commissioning requirements with the order. Default choices apply to the selected control package.<\/p>\n<\/div>\n<\/section>\n<section class=\"lsp-section lsp-muted\" id=\"zw20-drawings\" aria-labelledby=\"zw20-drawing-title\">\n<div class=\"lsp-wrap\">\n<div class=\"zw20-drawing-intro\">\n<h2 id=\"zw20-drawing-title\">Outline and <span>pole mounting.<\/span><\/h2>\n<p>Compare the breaker outline and suspended double-pole arrangement. Check the complete assembly against the project layout before specifying supports, electrical clearances and control connections.<\/p>\n<\/div>\n<fieldset class=\"zw20-drawing-viewer\">\n<legend>Choose a drawing reference<\/legend>\n<p><input class=\"zw20-drawing-radio\" type=\"radio\" name=\"zw20-drawing\" id=\"zw20-drawing-outline\" checked><input class=\"zw20-drawing-radio\" type=\"radio\" name=\"zw20-drawing\" id=\"zw20-drawing-orientations\"><\/p>\n<div class=\"zw20-drawing-tabs\"><label for=\"zw20-drawing-outline\">Outline dimensions<\/label><label for=\"zw20-drawing-orientations\">Double-pole mounting<\/label><\/div>\n<div class=\"zw20-drawing-stage\">\n<figure class=\"zw20-drawing-panel\" data-drawing=\"outline\">\n<div class=\"zw20-drawing-heading\">\n<h3>Outline and mounting dimensions<\/h3>\n<p><a class=\"lsp-text-link\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outline-dimensions-english-20261011.webp\" target=\"_blank\" rel=\"noopener\">Open full-size drawing<\/a><\/div>\n<p><a class=\"zw20-drawing-art\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outline-dimensions-english-20261011.webp\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open outline and mounting dimensions at full size\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outline-dimensions-english-20261011.webp\" width=\"1002\" height=\"1372\" alt=\"ZW20-12 front, plan, side and mounting-base dimensional views.\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption>\n<p>Dimensions are in mm. Use the illustrated front, plan, side and mounting-base views to check the selected assembly. Confirm the complete model, isolator arrangement, mounting points and clearances on the approved order drawing.<\/p>\n<p>Use the original manual for operating markings and instructions.<\/p>\n<p><a class=\"lsp-text-link\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outdoor-vacuum-boundary-circuit-breaker-manual.pdf#page=8\" target=\"_blank\" rel=\"noopener\">Open manual at PDF page 8<\/a><\/figcaption><\/figure>\n<figure class=\"zw20-drawing-panel\" data-drawing=\"orientations\">\n<div class=\"zw20-drawing-heading\">\n<h3>Suspended double-pole mounting<\/h3>\n<p><a class=\"lsp-text-link\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-double-pole-mounting-english-20261011.webp\" target=\"_blank\" rel=\"noopener\">Open full-size drawing<\/a><\/div>\n<p><a class=\"zw20-drawing-art\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-double-pole-mounting-english-20261011.webp\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open suspended double-pole mounting at full size\"><img src=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-double-pole-mounting-english-20261011.webp\" width=\"850\" height=\"1076\" alt=\"ZW20-12 double-pole support arrangement with breaker, WPZD-112 controller, clamps, crossarm and clearances.\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption>\n<p>Illustrated suspended double-pole layout. Confirm pole spacing, support hardware, clearances and controller position on the approved project drawing. WPZD-112 identifies the illustrated controller; confirm the actual controller and terminal schedule with the order.<\/p>\n<p>Use the original manual for operating markings and instructions.<\/p>\n<p><a class=\"lsp-text-link\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outdoor-vacuum-boundary-circuit-breaker-manual.pdf#page=14\" target=\"_blank\" rel=\"noopener\">Open manual at PDF page 14<\/a><\/figcaption><\/figure>\n<\/div>\n<\/fieldset>\n<\/div>\n<\/section>\n<section aria-labelledby=\"zw20-documents-title\" class=\"lsp-section lsp-muted\" id=\"zw20-documents\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-document-heading\">\n<h2 id=\"zw20-documents-title\">Manual, selection form and <span>test report.<\/span><\/h2>\n<p>Use the manual and selection form to specify the complete assembly. The report identifies the tested sample and test category.<\/p>\n<\/div>\n<div aria-label=\"ZW20-12 technical downloads\" class=\"lsp-document-list\">\n<article class=\"lsp-document-row lsp-document-manual\">\n<div class=\"lsp-document-summary\">\n<p class=\"lsp-reference-label\">PDF \u00b7 20 pages<\/p>\n<h3>ZW20-12 installation and operation manual<\/h3>\n<\/div>\n<p>Ratings, service conditions, operation, outline dimensions and pole installation. Match the selected assembly and controller before installation.<\/p>\n<div class=\"lsp-document-action\"><a class=\"lsp-button-secondary\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-outdoor-vacuum-boundary-circuit-breaker-manual.pdf\" rel=\"noopener\" target=\"_blank\">Open manual PDF<\/a><\/div>\n<\/article>\n<article class=\"lsp-document-row lsp-document-form\">\n<div class=\"lsp-document-summary\">\n<p class=\"lsp-reference-label\">DOC \u00b7 63 KB<\/p>\n<h3>ZW20-12 selection form<\/h3>\n<\/div>\n<p>Specify the model, mechanism, housing, mounting, CT\/PT arrangement and control package. Confirm optional functions and commissioning scope with the order.<\/p>\n<div class=\"lsp-document-action\"><a class=\"lsp-button-secondary\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-selection-form-original.doc\" rel=\"noopener\" target=\"_blank\">Download form<\/a><\/div>\n<\/article>\n<article class=\"lsp-document-row lsp-document-report\" data-evidence-source=\"F0077\" data-report-date=\"2023-09-26\" data-report-number=\"SL2023\/0793-01\">\n<div class=\"lsp-document-summary\">\n<p class=\"lsp-reference-label\">PDF \u00b7 24 pages \u00b7 2023<\/p>\n<h3>ZW20-12\/630-25 insulation test report<\/h3>\n<\/div>\n<p>Report SL2023\/0793-01, dated 26 September 2023, records the insulation test category for one ZW20-12\/630-25 sample, with auxiliary-circuit insulation, power-frequency withstand, lightning impulse, sealing and circuit-resistance results listed. Match this 630 A \/ 25 kA sample separately from a 20 kA configuration; it does not establish 25 kA interruption performance.<\/p>\n<div class=\"lsp-document-action\"><a class=\"lsp-button-secondary\" href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-630-25-insulation-type-test-report.pdf\" rel=\"noopener\" target=\"_blank\">Open test report<\/a><\/div>\n<\/article>\n<\/div>\n<p class=\"lsp-document-note\"><a href=\"\/about\/manufacturing-quality\/#inspection\">See Liqiang manufacturing and inspection activities<\/a>. Model reports and factory inspection records serve different purposes; match the required documents to the proposed equipment.<\/p>\n<\/div>\n<\/section>\n<p>  <!-- liq-pricing:start --><\/p>\n<style id=\"zw20-pricing-range\">\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing{background:var(--lsp-white,#fff);border-block-start:1px solid var(--lsp-line,#d9dfe2)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-heading{margin-block-end:34px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:56px;align-items:start}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-grid>*{min-width:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-model{margin-block-end:10px;font-size:.8125rem;font-weight:700;letter-spacing:.03em;color:var(--lsp-brand,#b92921);overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-product-name]{font-size:1.5rem;line-height:1.35;max-width:40ch;margin-block:0 16px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-description]{font-size:1rem;line-height:1.65;margin-block:0 24px;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-specs]{margin:0;border-block-start:1px solid var(--lsp-line,#d9dfe2)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-specs]>div{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:20px;padding-block:13px;border-block-end:1px solid var(--lsp-line,#d9dfe2)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-specs] dt{font-size:.875rem;font-weight:600;line-height:1.6;margin:0;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-specs] dd{font-size:.9375rem;line-height:1.6;margin:0;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-panel{border:1px solid var(--lsp-line,#d9dfe2);border-block-start:3px solid var(--lsp-brand,#b92921);padding:30px;background:var(--lsp-white,#fff);border-radius:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-label{font-size:.8125rem;font-weight:600;line-height:1.5;color:#555c60;margin-block:0 13px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-value{display:flex;align-items:baseline;flex-wrap:wrap;gap:4px 9px;max-width:none;font-variant-numeric:tabular-nums;line-height:1.2;margin:0}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-currency]{font-size:.9375rem;font-weight:600;color:var(--lsp-ink,#000)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-amounts{font-size:clamp(1.8rem,2.5vw,2.4rem);font-weight:800;letter-spacing:-.03em;white-space:nowrap;color:var(--lsp-brand,#b92921)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-unit{font-size:.875rem;color:#555c60;white-space:nowrap}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-terms]{font-size:.9375rem;line-height:1.65;margin-block:20px 0;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-basis{font-size:.8125rem;line-height:1.65;margin-block:12px 0;color:#555c60;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-actions{margin-block-start:24px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-actions a{width:auto;max-width:100%;white-space:normal}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-details{margin-block-start:22px;border-block-start:1px solid var(--lsp-line,#d9dfe2);padding-block-start:4px}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-details summary{cursor:pointer;min-height:44px;padding-block:12px;font-size:.875rem;font-weight:600;line-height:1.5;list-style-position:inside}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-details summary::marker{color:var(--lsp-brand,#b92921)}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-details>p{font-size:.8125rem;line-height:1.65;padding-block:4px 10px;overflow-wrap:anywhere}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing :is([data-price-source],[data-price-image]){overflow-wrap:anywhere;text-decoration:underline}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-tiers{margin:8px 0 10px;width:100%;border-collapse:collapse;font-size:.875rem}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-tiers caption{text-align:start;font-size:.8125rem;padding-block-end:10px;color:#555c60}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-tiers :is(th,td){padding:10px 12px;text-align:start;border:0;border-block-end:1px solid var(--lsp-line,#d9dfe2);background:none;font-size:inherit;line-height:1.5}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-tiers thead th{background:var(--lsp-muted,#f3f5f6);font-weight:600}\n.liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-tiers tbody th{font-weight:400}\n@media(max-width:850px){\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-grid{grid-template-columns:minmax(0,1fr);gap:28px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-heading{margin-block-end:28px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-panel{padding:26px}\n}\n@media(max-width:560px){\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-panel{padding:22px 18px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-amounts{font-size:1.8rem}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-product-name]{font-size:1.375rem}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing [data-price-specs]>div{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:14px}\n .liq-page[data-single-product=\"model\"][data-liq-page=\"zw20\"] #pricing .lsp-price-actions a{width:100%}\n}\n<\/style>\n<section class=\"lsp-section lsp-pricing-section\" id=\"pricing\" data-liq-pricing=\"verified\" aria-labelledby=\"zw20-pricing-title\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-price-heading\">\n<h2 id=\"zw20-pricing-title\">Price <span>&amp; quotation.<\/span><\/h2>\n<\/div>\n<div class=\"lsp-price-grid\">\n<div class=\"lsp-price-configuration\">\n<p class=\"lsp-price-model\">Configuration \u00b7 <span data-price-model>ZW20-12\/630-20<\/span><\/p>\n<h3 data-price-product-name>ZW20-12\/630-20 outdoor boundary circuit breaker<\/h3>\n<p data-price-description>Liqiang reference quotation for a 12 kV, 630 A, 20 kA motor-operated breaker with a basic controller and single-phase operating PT. Selected PT\/CT details and control functions must be confirmed.<\/p>\n<dl data-price-specs>\n<div>\n<dt>Rated voltage<\/dt>\n<dd>12 kV<\/dd>\n<\/div>\n<div>\n<dt>Rated current<\/dt>\n<dd>630 A<\/dd>\n<\/div>\n<div>\n<dt>Quoted scope<\/dt>\n<dd>Breaker, basic controller and operating PT<\/dd>\n<\/div>\n<\/dl><\/div>\n<div class=\"lsp-price-panel\">\n<p class=\"lsp-price-label\">Liqiang reference price<\/p>\n<p class=\"lsp-price-value\"><span data-price-currency>USD<\/span> <span class=\"lsp-price-amounts\"><span data-price-low>1600<\/span>\u2013<span data-price-high>2400<\/span><\/span> <span class=\"lsp-price-unit\">\/ set<\/span><\/p>\n<p data-price-terms>USD per complete three-phase set. Final pricing is subject to the actual configuration, order quantity and written quotation from Liqiang. Shipping, taxes, installation, communications, battery, mounting brackets and optional disconnector are excluded.<\/p>\n<p class=\"lsp-price-basis\">This reference price range is provided by Liqiang for initial project enquiries. Request a written quotation to confirm the selected configuration and supply scope.<\/p>\n<div class=\"lsp-actions lsp-price-actions\"><a class=\"lsp-button\" href=\"\/contact\/?family=outdoor&amp;model=ZW20-12&amp;request_type=quotation\">Discuss a ZW20-12 configuration<\/a><\/div>\n<details class=\"lsp-price-details lsp-price-source\">\n<summary>Quotation details<\/summary>\n<p><a data-price-source href=\"https:\/\/liqele.com\/contact\/?family=outdoor&amp;model=ZW20-12&amp;request_type=quotation\">Request a written quotation from Liqiang<\/a><\/p>\n<p><a data-price-image href=\"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-three-quarter-1200x800-1.webp\" target=\"_blank\" rel=\"noopener noreferrer\">View configuration image<\/a><\/p>\n<\/details><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section>\n<p><!-- liq-pricing:end --><\/p>\n<section class=\"lsp-section lsp-muted lsp-faq-section\" id=\"zw20-inquiry\" aria-labelledby=\"zw20-faq-title\">\n<div class=\"lsp-wrap\">\n<div class=\"lsp-faq-layout\">\n<div class=\"lsp-faq-intro\">\n<h2 id=\"zw20-faq-title\">ZW20-12 <span>selection questions.<\/span><\/h2>\n<p>Answers about model selection, insulation, controls, pole mounting and the available test report.<\/p>\n<\/div>\n<div class=\"lsp-faq-list\" aria-label=\"ZW20-12 selection questions\">\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">01<\/span><span class=\"lsp-faq-question\">How do I specify the complete model?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>State the full designation, rated current, short-circuit duty, operating method and isolator requirement. Common 630 A \/ 20 kA assemblies are available in manual and electric arrangements, with or without an isolator. Confirm the complete control package with the order. See the <a href=\"#zw20-parameters\">model codes and ratings<\/a>.<\/p>\n<\/div>\n<\/details>\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">02<\/span><span class=\"lsp-faq-question\">How are vacuum interruption and gas insulation used?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>Vacuum interrupters switch the current. An SF6\/N2 mixed gas provides insulation inside the sealed tank. These functions are separate; specify the complete breaker assembly and its operating conditions. See the <a href=\"#zw20-parameters\">electrical ratings and service conditions<\/a>.<\/p>\n<\/div>\n<\/details>\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">03<\/span><span class=\"lsp-faq-question\">Which control and sensing details should I specify?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>Specify the operating mechanism and controller supply, CT quantity and connected ratio, PT arrangement, zero-sequence sensing, communications and backup battery. Match the selected package to its approved schematic and terminal schedule. See the <a href=\"#zw20-interfaces\">configuration requirements<\/a>.<\/p>\n<\/div>\n<\/details>\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">04<\/span><span class=\"lsp-faq-question\">Can I use the outline and pole layout for my project?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>Use the illustrated assembly to compare the envelope and mounting arrangement. Confirm brackets, pole spacing, clearances, cable routing and controller position against the approved drawing for the selected assembly before installation. See the <a href=\"#zw20-drawings\">outline and pole installation drawings<\/a>.<\/p>\n<\/div>\n<\/details>\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">05<\/span><span class=\"lsp-faq-question\">How do motor operation and a feeder-protection package differ?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>Motor operation provides powered actuation of the breaker mechanism. A feeder-protection package also combines sensing, a controller, trip logic and the associated control wiring; automatic reclosing and communications depend on the selected package. Describe the required functions when specifying the <a href=\"#zw20-interfaces\">ZW20 control and sensing arrangement<\/a>.<\/p>\n<\/div>\n<\/details>\n<details class=\"lsp-faq-item\">\n<summary><span class=\"lsp-faq-number\">06<\/span><span class=\"lsp-faq-question\">Which site conditions should I include in a ZW20 enquiry?<\/span><\/summary>\n<div class=\"lsp-faq-answer\">\n<p>State the system frequency, altitude, ambient-temperature range and outdoor exposure, including pollution or corrosive conditions. Add the pole or support layout, connection directions and available operating supply. Compare these inputs with the <a href=\"#zw20-parameters\">service conditions<\/a> to select the complete breaker, controller and mounting arrangement.<\/p>\n<\/div>\n<\/details>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Outdoor distribution \u00b7 boundary switching ZW20-12Outdoor vacuum boundary circuit breaker ZW20-12 product views Front angleFront panelOpposite angle Check the selected breaker, sensing package and mounting arrangement against the approved order drawing. A 12 kV outdoor vacuum boundary circuit breaker for overhead distribution networks. Select the operating mechanism, integral disconnector, controller and CT\/PT package to suit [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":534,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"liq_structure_placeholder":false,"liq_content_page":true,"rank_math_title":"ZW20-12 Outdoor Vacuum Boundary Circuit Breaker | Liqiang","rank_math_description":"ZW20-12 outdoor boundary circuit breaker: 630-20 model options, pole-mount drawings, controller and CT\/PT choices, and a 630-25 insulation test report.","rank_math_facebook_image":"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-three-quarter-1200x800-1.webp","rank_math_twitter_image":"https:\/\/liqele.com\/wp-content\/uploads\/2026\/10\/zw20-12-front-three-quarter-1200x800-1.webp","footnotes":""},"class_list":["post-547","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/pages\/547","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/comments?post=547"}],"version-history":[{"count":39,"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/pages\/547\/revisions"}],"predecessor-version":[{"id":1849,"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/pages\/547\/revisions\/1849"}],"up":[{"embeddable":true,"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/pages\/534"}],"wp:attachment":[{"href":"https:\/\/liqele.com\/ru\/wp-json\/wp\/v2\/media?parent=547"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}