| Breaking Capacity: | High Voltage Circuit Breakers |
|---|---|
| Operation: | Electric Type |
| Speed: | Normal Type Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Fixed |
| Structure: | Recloser |
| Samples: |
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| Customization: |
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ZW32-12 outdoor high voltage vacuum circuit breaker (hereinafter referred to as circuit breaker) is an outdoor distribution equipment with rated voltage of 12kV and three-phase AC of 50Hz.It is mainly used to open and close load current, overload current and short circuit current in power system.It is suitable for the protection and control in the power distribution system of substation and industrial and mining enterprises, as well as the places where the rural power grid is frequently operated. The circuit breaker has the characteristics of small volume, light weight, anti-condensation, free maintenance and so on. It can adapt to the harsh weather conditions and dirty environment.
| serial number | project | units | data |
| 1 | The rated voltage | KV | 12 |
| 2 | Rated frequency | Hz | 50 |
| 3 | Rated current | A | 630 |
| 4 | Rated short circuit breaking current | KA | 20 |
| 5 | Rated peak tolerable current (peak) | KA | 50 |
| 6 | Rated short-time tolerable current | KA | 20 |
| 7 | Rated short circuit closing current (peak) | KA | 50 |
| 8 | Mechanical life | next | 10000 |
| 9 | Rated short circuit breaking current breaking times | next | 30 |
| 10 | Power frequency withstand voltage (1min) :(wet) (dry) phase, to ground/fracture | KV | 42/48 |
| 11 | Lightning shock withstand voltage (peak) phase, to ground/fracture | KV | 75/85 |
| 12 | Power frequency voltage resistance of the secondary circuit for 1min | KV | 2 |
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