In the power distribution system, the ring main unit (RMU) is a metal-enclosed set of switchgear assembled in the factory for the load connection point of the ring power distribution network. It i...
A circuit breaker in which SF6 under pressure gas is used to extinguish the arc is called SF6 circuit breaker. SF6 (sulphur hexafluoride) gas has excellent dielectric, arc quenching, chemical and ...