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ZN Vacuum Circuit Breaker

"Vacuum circuit breaker" because of its arc extinguishing medium and the insulation medium of the contact gap after arc extinguishing are high vacuum, which has the advantages of small size, light weight, suitable for frequent operation, arc extinguishing without maintenance, and is widely used in power distribution network.

Category: Vacuum circuit breaker

key word : ZN Vacuum Circuit Breaker


"Vacuum circuit breaker" because of its arc extinguishing medium and the insulation medium of the contact gap after arc extinguishing are high vacuum, which has the advantages of small size, light weight, suitable for frequent operation, arc extinguishing without maintenance, and is widely used in power distribution network. Vacuum circuit breaker is an indoor power distribution device in 3 ~ 10kV,50Hz three-phase AC system. It can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants and substations. It is especially suitable for use places requiring oil-free, less maintenance and frequent operation. Circuit breakers can be configured in intermediate cabinets, double-layer cabinets and fixed cabinets to control and protect high-voltage electrical equipment.

Main structure

Vacuum circuit breaker mainly consists of three parts: vacuum interrupter, electromagnetic or spring operating mechanism, bracket and other components.

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