Scope of application：
HXGNO-12 Fixed type metal ring main switchgear (hereinafter referred to as ring main unit)is a new type of high-voltage switchgear produced for the renovation and construction of urban power grids.In the power supply system,the ring main unit is used for breaking load current and making short-circuit current.It is suitable for AC 12kV,50Hz distribution network systems and is widely used in urban power grid construction and renovation projects,industrial and mining enterprises,high-rise buildings,and public facilities.As a ring main power supply unit and terminal equipment,it plays a role in energy distribution,control,and protection of electrical equipment. It can also be installed in box substations.This ring main unit is equipped with a compressed air load switch and a vacuum load switch.The operating mechanism is a spring operated mechanism, which can be operated manually or electrically.Alternatively,it can be equipped with isolation switches and VS1 fixed circuit breakers.This ring main unit has strong integrity,small size,no fire and explosion hazards,and reliable "five prevention"functions.
