High Voltage Vacuum Interrupter for ZW20 Outdoor Circuit Breaker.rated voltage 12kV ,rated current 630A ,rated short-circuit breaking current 12.5/16/20KA
High Voltage Vacuum Interrupter for ZW20 Outdoor Circuit Breaker.rated voltage 12kV ,rated current 630A ,rated short-circuit breaking current 12.5/16/20KA