The HXGN-12/type Prefabricated (fixed) metal-clad ringmain unit switchgear (referred to as ring network cabinet) is a newtype of high-voltage switchgear produced for the needs of urbanpower grid transformation and construction. lt is used in the powersupply system to interrupt load currents and close short-circuitcurrents. This ring main unit switchgear is equipped with a vacuumload break switch, and the operating mechanism is a spring-operatedmechanism that can be manually or electrically operated. The switchand disconnecting knife are used for the operation mechanism. Thisring main unit switchgear has strong completeness, small size, no fire,and explosion hazards, and reliable “five-protection” functions.
