宝马bm555线路检测(中国)股份有限公司

ZN85 indoor high-voltage vacuum circuit breaker

Product Overview


It is applicable to the 50Hz three-phase AC system, and cooperates with KYN61-40.5 vacuum switch cabinet. It is mainly used in electric power, metallurgy, coal mine, petrochemical and other departments for breaking and closing load current, overload current and fault current, especially for frequent operation occasions. The spring operating mechanism of ZN85-40.5 series indoor vacuum high-voltage circuit breaker is a spring operating mechanism arranged up and down, which has the functions of manual energy storage and electric energy storage. The overall size of the whole machine is small, the overall rigidity of the circuit breaker is good, and the operating performance is consistent. The reliability of the transmission has tens of thousands of production and operation experience, and the stability and reliability of the whole circuit breaker are high. Modular design of spring operating mechanism is another feature of ZN85 indoor vacuum circuit breaker. The spring operating mechanism includes two major functional modules of closing and opening. It has the characteristics of convenient maintenance, quick replacement and short repair time of power failure bolt; The circuit breaker handcart is designed with a floor-type structure, without a transfer trolley, which can facilitate the user to carry out on-site maintenance and regular maintenance. The applicable cabinet type of ZN □ - 40.5 series handcart vacuum circuit breaker is KYN61-40.5 high-voltage complete switchgear.

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