The KYN28A-12(GZS1) armored withdrawable AC metal-enclosed switchgear (hereinafter referred to as the switchgear) is a complete power distribution assembly designed for indoor 3.6kV-24kV, three-phase 50Hz single busbar and single busbar sectionalized systems. It is primarily used in power plants, factory power distribution systems, main switches for medium/small generators, industrial and commercial power distribution, substation power transmission/distribution switchgear in power systems, and large high-voltage motor starting, serving control, protection, and monitoring purposes. This switchgear features "Five Preventative Functions" and can be equipped with VD4, HVXVEP, ZN63A-12(VS1), and JCZR16-type (F-C) combined electrical devices, making it a high-performance power distribution solution. It supports intelligent components such as the XM-CW series wireless temperature measurement devices, motorized grounding switches, and motorized chassis, meeting requirements for distribution automation and diverse user operation needs.
The KYN28A-12(GZS1) complies with GB/T 11022-1999, GB 3906-2006, IEC 298, and IEC 60298 standards.