China Medium Voltage Vacuum Circuit Breaker Vcb, Find details about China Indoor Breaker, Circuit Breaker from Medium Voltage Vacuum Circuit Breaker Vcb
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 |