Customization: | Available |
---|---|
Breaking Capacity: | High Voltage Circuit Breakers |
Operation: | Electric Type |
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No | Item | Unit | Parameter | ||
1 | Rated voltage | kV | 12 | 24 | |
2 | Rated frequency | Hz | 50/60 | ||
3 | Rated current | A | 630/800 | ||
4 | 1min Power frequency withstand voltage |
wet | kV | 38 | 50 |
dry | kV | 48 | 60 | ||
5 | Lightning impulse withstand voltage | kV | 75 | 125/150 | |
6 | Rated short circuit breaking current (peak) | kA | 80 | 63 | |
7 | Rated active load and close circuit breaking current | A | 63 | 50 | |
8 | Rated transferring current | A | 1700 | 1200 | |
9 | Rated short circuit making current (peak) | kA | 80 | 63 | |
10 | Rated cable(line) charging breaking current | A | 50 and 10 | ||
11 | Cable charge breaking current in earthing fault | A | 20 | 20 | |
12 | Rated withstand current (peak) | kA | 80 | 63 | |
13 | Short time withstand current (2s) | kA | 31.5 | 25 | |
14 | Mechanism life | times | 5000 | 2000 |