ZN73A-12 Indoor High Voltage Permanent Magnet Vacuum Circuit Breaker
ZN73A-12 indoor high voltage permanent magnet vacuum circuit breaker is suitable for three-phase, AC50Hz with 12KV rated voltage. It can provide control and protection for industrial and mining enterprises, power plants and substations, and electrical facilities. Equipped with permanent magnet operating mechanism developed by our company. For its high reliability and long life, it is especially suitable for the places with bad conditions for example under frequent operation and frequent breaking of short circuit current.