ZW7-40.5 outdoor high-voltage vacuum circuit breaker

ZW7-40.5 series outdoor high-voltage vacuum circuit breaker is a three-phase AC 50Hz, rated voltage 40.5kY outdoor high-voltage electrical equipment. Equipped with a spring operating mechanism or an electromagnetic operating mechanism, it can be remotely controlled to open and close the switch electrically, or it can be manually stored on site, opened and closed manually. The design performance meets the requirements of the national standard GBI984-89 "AC High Voltage Circuit Breaker" and meets the requirements of the International Electrotechnical Commission standard IEC-56 "AC High Voltage Circuit Breaker".