KYN28-12 Armored Movable AC Metal-enclosed Switchgear is the complete power distribution device suitable for 3.6~12kV three-phase AC 50Hz single busbar and its segmented system. The product meets the requirements specified in standards,such as IEC60298, GB3906,GB/T11022,and DL404,with the“five-prevention"interlock function.It can configure the company's WTMvS series vacuum circuit breaker,or the current domestic & foreign mainstream vacuum circuit breaker,regarded as the power distribution device with excellent performance. The product is mainly used for the power delivery of power plants and small & medium-sized generators, the power distribution of industrial and mining enterprises, and the power transmission of secondary substations in power systems,to achieve control protection,and monitoring purposes.