Sulfur Hexafluoride Circuit Breaker (SF6 Gas Circuit Breaker)
SF6 circuit breaker, referred to as GCB for short, is an air-blown circuit breaker. Its characteristic is that the working air pressure is low. During the arc blowing process , the gas is not discharged to the atmosphere, but is recycled in the sealed system. Due to the good insulation performance and arc extinguishing performance…