| Breaking Capacity: | High Voltage Circuit Breakers |
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| Operation: | Manual Type |
| Speed: | High-Speed Circuit Breaker |
| Arc-extinguishing Medium: | Vacuum |
| Installation: | Insert |
| Structure: | Vcb |
| Samples: |
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| Customization: |
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Suppliers with verified business licenses
Audited Supplier ZW7-40.5 Outdoor High Voltage Intelligent (permanent magnet) Vacuum Circuit Breaker
Product detail
ZW7-40.5 outdoor high voltage intelligent (permanent magnet) vacuum circuit breaker adopts a uniquely designed split pole and a highly reliable spring operating mechanism or permanent magnet operating mechanism. The device is mainly used in the mid-voltage overhead line power grid. It is used for dividing and combining load current, overload current and short-circuit current.
Using conditions
Ambient air temperature: -30°C ~+60°C;
Altitude:≤ 3000 meters;
The wind speed:≤ 34m/s;
Vibration or ground movement from the outside of the switchgear cell system can be ignored;
Pollution level: Level IV;
Storage temperature -40°C ~+85°C.
Technical parameter
| Item | Unit | Specification |
| Rate voltage | kV | 40.5 |
| Rate current | A | 1250/1600 |
| Rate frequency | Hz | 50 & 60 |
| Power frequency withstand voltage (dry) (wet),ground/fracture | kV | 80 95/95 |
| Lightning impulse withstand current (peak) phase to phase,ground/fracture | kV | 185 |
| Rated short-circuit breaking current | kA | 25/31.5 |
| Rated short-circuit making current (peak) | kA | 63/80 |
| Rated peak withstand current | kA | 63/80 |
| Short-time withstand current,4S | kA | 25/31.5 |
| Rated operating cycle | O-0.1s -CO-3s -CO-6s CO-60s Recover | |
| Rated short-circuit current breaking times | times | 30 |
| Mechanical life | times | 10000 |
| Mechanism control voltage | V | AC/DC220 |
Company information
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