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ZN23-40.5 Indoor HV vacuum circuit breaker Empty circuit breaker
    发布时间: 2021-07-09 09:58    

ZN23-40.5 vacuum circuit breaker is rated voltage 40.5KV, three-phase AC 50Hz indoor high-voltage electrical equipment, suitable for industrial and mining enterprises, substation and other power transmission and distribution systems, as a control and protection switch, especially suitable for gold, arc steelmaking and other industries need frequency operation, as a control and protection equipment.

This product conforms to the standard of GB1984-89 "AC high voltage circuit breaker"


ZN23-40.5 Indoor HV vacuum circuit breaker Empty circuit breaker

· Vacuum arc extinguishing, strong breaking ability, long electrical life, mechanical life of 10,000 times;

· Simple structure, maintenance-free and long maintenance cycle;

· Good insulation, strong anti-pollution ability;

· Spring or electromagnetic operating mechanism can be equipped, with reliable mechanical performance and frequent operation; No hidden danger of fire or explosion;

· Internal current transformer, with calculation accuracy up to 0.2, can achieve three-phase interactive protection;

· With condensation controller, the circuit breaker can operate reliably under certain temperature and humidity.