KYN28-12 indoor AC metal armored withdrawable switchgear is used for power plant transmission, power system, and industrial and mining enterprise substation receiving, distribution, control, and protection purposes. It can also be used for frequent starting of high-voltage motors, meeting the "five prevention" interlocking requirements. The switchgear can be equipped with ABB's VD4 vacuum circuit breaker or domestic VS1 vacuum circuit breaker, making it a high-performance distribution device with flexible scheme combination, compact structure, safety and reliability, easy maintenance, impact resistance, corrosion resistance, and other advantages.

The KYN28-12 indoor AC metal armored withdrawable switchgear is suitable for AC 50Hz, 3-24kV power systems and is widely used in medium and large distribution rooms, switch stations, shopping malls, airports, subways, hospitals, sports venues, railways, tunnels, and other places to achieve control, protection, and monitoring. The circuit breaker can also be equipped with a domestically produced VS1 vacuum circuit breaker. Advantages: It is actually a high-performance power distribution device, with flexible scheme combination, compact structure, safety and reliability, convenient maintenance and replacement of parts, impact resistance, corrosion resistance and other advantages.