| Customization: | Available |
|---|---|
| Breaking Capacity: | High Voltage Circuit Breakers |
| Operation: | Electric Type |
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ZW8-12 type outdoor high voltage vacuum circuit breaker is mainly used for AC 50Hz, voltage 10-12KV three-phase power system, used for breaking and closing the load current. It has overload and short circuit protection function. It can equipped with surge current time delay protector and the lightning arrester or isolating switch namely breaker and isolating switch combination etc. according to user needs.
| serial number | project | unit | data |
| 1 | Rated voltage | KV | 12 |
| 2 | Rated frequency | Hz | 50or60 |
| 3 | Current rating | A | 630 |
| 4 | Rated short-time interrupting current | KA | 20 |
| 5 | Rated peak withstand current | KA | 50 |
| 6 | Rated short-time withstand current | KA | 20 |
| 7 | Rated short-circuit closing current (peak) | KA | 50 |
| 8 | Mechanical life | times | 10000 |
| 9 | Rated number of short-circuit breaking current interruptions | times | 30 |
| 10 | Power frequency withstand voltage (1min) :(wet) (dry) interphase, ground/fracture | KV | 42/48 |
| 11 | Withstand voltage (peak) of lightning impulse interphase, to ground/fracture | KV | 75/78 |
| 12 | The secondary circuit has a power frequency withstand voltage of 1min | KV | 2 |
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