| NO. | Item | Unit | Value |
| 01 | Rated voltage | kV | 12 |
| 02 | Rated frequency | Hz | 50 |
| 03 | Rated current | A | 630 |
| 04 | Rated short-circuit breaking current | kA | 20 |
| 05 | Withstand current of rated peak current | kA | 50 |
| 06 | Rated short time withstand current(4s) | kA | 20 |
| 07 | Rated short open/close current(peak) | kA | 50 |
| 08 | Mechanial life | times | 10000 |
| 09 | Open/close times of rated current | times | 10000 |
| 10 | Open/close times of rated short-circuit breaking current | times | 30 |
| 11 | Power frequency withstandvoltage(1min):between phases,ground/fracture | kV | 42/49 |
| 12 | lightning impulse withstand voltage(peak)between phases,ground/fracture | kV | 75/85 |
| 13 | 2 nd circuit 1min power frequency withstand voltage | kV | 2 |
| 14 | Net weight | kg | 140 |