Item | Unit | Parameter |
Rated voltage | kV | 12 |
Rated current | A | 630/1250 |
Rated frequency | Hz | 50 |
Rated lightning impluse withstand voltage(peak) | kV | ground 75/fracture 85 |
Rated short-time power frequency withstand voltage(1min) | kV | wet test 34/ dry test 42/ fracture 48 |
Rated short-circuit breaking curent | kA | 25 |
Rated short-circuit breaking curent times | Times | 30 |
Rated short-time withstand current | kV | 25 |
Rated short circuit duration | s | 4 |
Rated peak withstand current | kA | 50 |
Rated short-circuit making current | kA | 50 |
Power frequency withstand voltage of secondary circuit(1min) | kV | 2 |
Rated operating sequence | | O-0.3s-CO-180S-CO |
Mechanical life | Times | 30000 |