China Vb4 High Voltage Electrical Ce Certificate Indoor Vacuum Circuit Breaker, Find details about China Vacuum Circuit Breaker, Indoor Circuit Breaker from Vb4 High Voltage Electrical Ce Certificate Indoor Vacuum Circuit Breaker
No | Item | Unit | Parameter | |
1 | Rated voltage | kV | 12/17.5 | 24 |
2 | Rated frequency | Hz | 50/60 | |
3 | Rated current | A | 630, ...4000A | |
4 | 1min Power frequency withstand voltage | kV | 48 | 65 |
5 | Lightning impulse withstand voltage | kV | 75/95 | 125/150 |
6 | Rated short circuit breaking current (peak) | kA | 50/63/80/100 | |
7 | Rated active load and close circuit breaking current | A | 63 | 50 |
8 | Rated short breaking current | kA | 20, …40 | |
9 | Rated short circuit making current (peak) | kA | 50/63/80/100 | |
10 | Rated cable(line) charging breaking current | A | 50 and 10 | |
11 | Rated capacitor bank switching current | A | 400 | |
12 | Rated withstand current (peak) | kA | 50/63/80/100 | |
13 | Short time withstand current (4s) | kA | 20, …40 | |
14 | Mechanism life | times | 10000 |