KYN28-24 armored removable AC metal-enclosed switchgear (hereinafter referred to as switchgear), suitable for indoor three-phase 50/60Hz, rated voltage 24KV power system, mainly used in power plants, substations, industrial and mining enterprises and high-rise buildings, as a receive and distribute electrical energy and control, protect and monitor the circuit. KYN28-24 switchgear has a variety of functions to prevent misoperation, including preventing moving the handcar with load, preventing the ground switch from closing the position and closing the circuit breaker, preventing the live ground switch and preventing accidental entry into the live compartment and other functions. KYN28-24 switchgear is equipped with ZN73 series of mid-mounted high-voltage AC vacuum circuit breakers and solid-sealed vacuum switches with excellent performance. Switchgear secondary circuit configuration first…