KYN28-12 Indoor Metal Armored Mid mounted Removable Switchgear (hereinafter referred to as switchgear) is a three-phase AC 50HZ indoor power distribution device used for receiving and distributing 3-12KV network power and controlling, protecting, and monitoring circuits. This product's relay chamber panel is equipped with various types of microcomputer based comprehensive relay protection devices for class installation, and can achieve intelligent control of the system. It has remote control, telemetry, remote signaling, and remote adjustment functions. It controls the on-site network through a CAN bus with a communication interface and has the "five prevention" functions to prevent misoperation of circuit breakers, prevent pushing handle carts with loads, prevent live closing of grounding switches, prevent grounding switches from supplying power at the grounding position, and prevent accidental entry into live intervals.

Mainly used for receiving and transmitting electricity to photovoltaic power stations, power plants, small and medium-sized generators, industrial and mining enterprises and institutions, as well as secondary substations in the power system, and for starting large high-voltage motors.