110kV/126kV132kV /145kV outdoor HV AC Self Extinguishing SF6 Circuit Breaker

Outdoor HV AC Self Extinguishing SF6 Circuit Breaker is used in the electrical system of 3 phase AC 50Hz,110kV/126kV/132kV /145kV as its control and protective equipment, and also a connecting circuit breaker for switching loading current, cutting off fault current and switching over power circuit through various wiring ways in the power plant and substation.Product standard:This circuit breaker is compliant with GB 1984-2003 HV Circuit Breaker and IEC 56 HV AC Circuit Breaker. It is insulated and arc-extinguished by SF6, complying with self extinguishing principle. Working with the spring actuator, it has the following features: powerful breaking capability, long electric life of 20 times, lower active power and high reliability.