ZN63A(VS1)-12, 12kV, 1250A type vacuum circuit breaker pole adapts the solid insulation sealing technology, seal the vacuum interrupter and primary main galvanic circle and other parts into strong insulation, high mechanical strength pole with epoxy resin, avoid the influence of adverse operating environment on the primary circuit external insulation, realizes completely maintenance free. ZN63A(VS1)-12/1250-25 circuit breaker adapt ultra low resistance type vacuum interrupter, meet the VCP circuit breaker requirements on the temperature rise at big current operation situation and reduces the power losses.
Vacuum Circuit Breaker with a small contact distance, arc time is short, breaking the fault current in contact with the characteristics of minor burns, so the vacuum circuit breaker required for the operation of small energy, fast action. It also has a small size, light weight, maintenance workload is small, to fire, explosion, the advantages of small operation noise.
Vacuum circuit breaker mainly includes three parts: vacuum interrupter, electromagnetic or spring Operating mechanism, bracket and other parts.
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Product Categories : Vacuum Circuit Breaker > 12kV Vacuum Circuit Breaker