| 01 | Rated voltage | kV | 12 |
| 02 | Rated short-duration power-frequency withstand voltage (phase-to-phase / across open gap) | kV | 42 / 48 |
| 03 | Rated lightning impulse withstand voltage (phase-to-phase / across open gap) | kV | 75 / 85 |
| 04 | Secondary-circuit power-frequency withstand voltage | V | 2,000 |
| 05 | Rated frequency | Hz | 50 |
| 06 | Rated current | A | 630 / 1,250 |
| 07 | Rated short-circuit breaking current | kA | 20 / 25 / 31.5 |
| 08 | Rated peak withstand current | kA | 50 / 63 / 80 |
| 09 | Rated short-circuit making current | kA | 50 / 63 / 80 |
| 10 | Rated short-time withstand current (4 s) | kA | 20 / 25 / 31.5 |
| 11 | Rated short-circuit duration | s | 4 |
| 12 | Rated single / back-to-back capacitor-bank breaking current | A | 630 / 400 |
| 13 | Capacitor-bank inrush current | kA | 12.5 (frequency ≤ 1,000 Hz) |
| 14 | Short-circuit current interruption count | operations | 30 |
| 15 | Endurance: isolating switch / circuit breaker / earthing switch | operations | 3,000 / 10,000 / 3,000 |
| 16 | Contact wear limit | mm | 3 |
| 17 | Rated closing-coil voltage | V | AC/DC 24 / 48 / 110 / 220 |
| 18 | Rated tripping-coil voltage | V | AC/DC 24 / 48 / 110 / 220 |
| 19 | Spring-charging motor rated voltage | V | AC/DC 24 / 48 / 110 / 220 |
| 20 | Spring-charging motor rated power | W | 70 / 75 W — confirm ordered motor |
| 21 | Spring-charging time | s | ≤ 15 |
| 22 | Contact gap | mm | 9 ± 1 |
| 23 | Contact overtravel | mm | 3.5 ± 0.5 |
| 24 | Contact closing bounce | ms | ≤ 2 |
| 25 | Three-phase closing / opening asynchronism | ms | ≤ 2 |
| 26 | Opening time | ms | ≤ 40 |
| 27 | Closing time | ms | ≤ 60 |
| 28 | Average opening speed | m/s | 0.9–1.3 |
| 29 | Average closing speed | m/s | 0.5–1.1 |
| 30 | Contact separation rebound | mm | ≤ 2 |
| 31 | Contact closing pressure | N | 2,400 ± 200 (20–25 kA); 3,100 ± 200 (31.5 kA) |
| 32 | Rated operating sequence | — | O–0.3 s–CO–180 s–CO |