ZN65-12 indoor AC vacuum circuit breaker is an important electric element in distribution system which play functions of connect and disconnect power and fault-protection in power system. It applies to power system of rated voltage 12kV, three-phase AC 50/60HZ with purpose to protect and control electric apparatus in industry like mining, substation and power plant and occasions with frequent operation.
Rated insulating level(42/75kV)
Rated thermal stable time(4s)
Rated breaking current of single capacitor bank(630A)
Rated breaking current of back to back capacitor bank(400A)