China Vb85 Indoor High Voltage AC Vacuum Circuit Breaker for Urban and Rural Power Networks, Find details about China High Voltage Indoor Air Circuit Breaker, Circuit Breaker from Vb85 Indoor High Voltage AC Vacuum Circuit Breaker for Urban and Rural Power Networks
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 |