ZN85A-40.5(3AV7)

ZN85A-40. 5(3AV7)is an Indoor high voltage ac vacuum circuit breaker, it is a new breaker which is made in partnership with xi'an hv research ltd annd our company. The breaker is applied to the systems of 3-phase AC 50HZ, 35KV in industral and mineral enterprises, Power plant and substations for cutting and closing load current, Overload current and failure current. It is also suitable for the sites where frequent operations are required. The breaker conforms to the requirements of the standards of gb1984-1989"high voltage AC breaker", jb/t3855-1996"3. 6-40. 5KV high voltage AC vacuum circuit breaker" and "vacuum circuit breaker" of iec 62271-100:2001.