Rated voltage | kV | 12 | 24 | 40.5 |
Rated frequency | Hz | 50 | 50 | 50 |
Rated current | A | 630 | 630 | 630 |
Rated short circuit breaking current | kA | 20 | 20 | 20 |
Rated peak withstand current (peak) | kA | 50 | 50 | 50 |
Rated short-time withstand current | kA | 20 | 20 | 20 |
Rated short-circuit making current (peak) | kA | 50 | 50 | 50 |
Mechanical endurance | Ops | 10000 | 10000 | 10000 |
Rated short circuit breaks number | Ops | 30 | 30 | 30 |
Power frequency withstand voltage (1min) (wet)(dry) phase to phase/isolating distance | kV | 42/48 | 65/79 | 85/95 |
Lighting impulse withstand voltage (peak) (wet)(dry) phase to phase/isolating distance | kV | 75/85 | 125/145 | 185 |
Power frequency withstand voltage of secondary circuit (1min) | kV | 2 | 2 | 2 |