| MAIN TECHNICAL DATA |
| Data | Unit | Value |
| Rated Frequency | Hz | 50 |
| Rated Voltage | kV | 12 |
| Rated Short-duration Withstand Voltage | kV | 48 |
| Rated Lightning Impulse Withstand Voltage | kV | 85 |
| Rated Current | A | 630 |
| Circuit Resistance at the Lowest Rated Contact Force | μΩ | ≤25 |
| Rated Short-circuit Breaking Current | kA | 25 |
| Rated Short-circuit Breaking Current Breaking Times | Times | 30 |
| Rated Short-duration Withstand Current | kA | 25 |
| Rated Duration of Short-circuit | s | 4 |
| Rated Peak Withstand Current | kA | 63 |
| Rated Short-circuit Making Current | kA | 63 |
| Rated Operaing Sequence | | O-0.3(0.5)s-CO-180s-CO |
| Contact Stroke | mm | 11±1 |
| Contact Closing Force | N | 80±30 |
| Force Required to hold contacts open at full stroke | N | 160±40 |
| Average Opening Speed (first 75% stroke) | m/s | 1.0±0.2 |
| Average Closing Speed (last 30% stroke) | m/s | 0.65±0.15 |
| Rated Contact Force | N | 2000±200 |
| Contact Force at the Touch Point | N | 1400±100 |
| Contact Closing Bouncing Duration | ms | ≤2 |
| Contact Opening and Closing Non-simultaneity | ms | ≤2 |
| Contact Opening Rebound Amplitude | mm | ≤2 |
| Storage Life | Years | 20 |
| Mechanical Endurance | Times | 10000 |
| Contact Erosion Limit | mm | 3 |
