ZN28A-12, indoor vacuum circuit breakers

ZN28A-12 series of indoor high-voltage vacuum circuit breakers exchange (hereinafter referred to as the circuit breaker) is a three-phase AC 50Hz rated voltage of 12KV indoor circuit breaker switchgear components in line with the national standard GB1984-1989 <<exchange of high-voltage circuit breakers>> standards The relevant provisions of the circuit breakers for industrial, business, power plants and electrical substations, and other facilities for the control and protection purposes, and frequently apply to the operation of the sites, in particular, to adapt to the installation of fixed and Switchgear Handcart-high voltage switchboard, as well as the original Small oil Switchgear transformation.

Has a higher degree of operating reliability and service life.