Outdoor Vacuum Circuit Breaker
The enclosure of vacuum arc extinguish chamber is epoxy resin, sealed by foreign advanced techno

Outdoor Vacuum Circuit Breaker

ZW37-40.5 Outdoor AC High Voltage Vacuum Circuit Breaker is mainly used to break and close load current, over-load current and short-circuit current in outdoor 40.5kV three-phase alternating current 50Hz power system, also suitable for occasions with frequent operations.