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Overview：
KYN28A-12 AC metal-armored withdrawable high-voltage switchgear is a complete set of power distribution equipment with 3-12kV three-phase AC 50Hz single bus and single bus section systems. It is used for power transmission, power receiving, power distribution, and large high-voltage motors starting in secondary substations of power industry systems, to achieve the purpose of control, protection, and detection. The switchgear can be equipped with both ABB's VD4 vacuum circuit breaker and domestic VS1 vacuum circuit breaker, which is an excellent performance for a power distribution device.