KYN28A-12 Armored Switch Type AC Metal-enclosed Switchgear (hereinafter referred to as switchgear) is suitable for indoor three-phase 50/60Hz, rated voltage 10kV power systems. It is mainly used in power plants, substations, industrial and mining enterprises, and high-rise buildings for the acceptance and distribution of electrical energy, as well as circuit control, protection, and monitoring.

KYN28A-12 Switchgear has various functions to prevent misoperation, including preventing the moving of the switch with load, preventing the grounding switch from closing when the circuit breaker is in the operating position, preventing live grounding switches, and preventing accidental contact with live compartments, etc.

The switchgear is equipped with VS1, VD4 series mid-mounted high-voltage AC vacuum circuit breakers, and solid-sealed vacuum circuit breakers with excellent performance. The secondary circuit of the switchgear is equipped with advanced and reliable control and protection elements. The busbar uses heat-shrink insulation material or epoxy-coated insulation, optimizes the electrode shape, and features a compact cabinet structure.

The switchgear is a power distribution equipment with advanced technology, stable performance, a reasonable structure, convenient use, and safety and reliability.