HXGN□-12ZF(R) box-type fixed metal-enclosed switchgear (referred to as ring main unit) is suitable for AC 50Hz, 10kV network as breaking load and short circuit and closing short circuit current. The ring main unit is equipped with manual, electric The spring mechanism is used to operate the load switch, and the earthing switch and the isolating switch are equipped with a manual operating mechanism. The ring network cabinet has strong complete set, small size, no fire and explosion hazard, and has reliable "five-proof" function.