KYN28A-12/24 armored removable metal-enclosed switchgear (hereinafter referred to as switchgear) produced by Shenzhen Keruyue Electric Equipment Co., Ltd. is a complete set of power distribution equipment for 12kV or 24kV three-phase AC 50Hz single-bus sectionalized system. It is mainly used for power transmission of power plants, small and medium-sized generators, power distribution of industrial and mining enterprises and enterprises, as well as power collection and power transmission of the tertiary substations of the power system, as well as the starting of large high-voltage motors, to implement control protection and abuse. This switch cabinet meets the requirements of IEC289, BG3906 and other standards. It has the interlocking functions of preventing the loaded push-pull circuit breaker handcart, preventing the wrong opening and closing of the circuit breaker, preventing the closing of the circuit breaker when the grounding switch is in the closed position, preventing the wrong entry into the electrified compartment, and preventing the wrong closing of the grounding switch when the grounding switch is electrified. It can be equipped with both domestic VS1 central empty circuit breaker and ABB VD4 central vacuum circuit breaker, which is actually a distribution equipment with superior performance.