Applicable conditions
Name | Unit | Parameter |
Rated voltage | kV | 12 |
Rated frequency | Hz | 50 |
Rated current | A | 630 |
Rated short-circuit breaking current | kA | 20 |
Rated peak withstand current | kA | 50 |
Rated short-time withstand current | kA | 20 |
Rated short-circuit making current (peak value) | kA | 50 |
Mechanical life | Times | 10000 |
Rated short-circuit breaking current breaking times | Times | 30 |
Power frequency withstand voltage (1min): (wet) (dry) interphase,to ground/fracture | kV | 42/48 |
Lightning impulse withstand voltage (peak value) interphase,to ground/fracture | kV | 75/85 |
1min power frequency withstand voltage of secondary circuit | kV | 2 |