KYN28-12Z indoor metal-clad withdrawable enclosed switchgear is a set of power distribution devices of rated from 3.6 to 12KV,three-phase AC 50HZ of single busbar and single busbar segmentation system.It’s high performance switch gear,applied to VD4/VS1 vacuum circuit breaker,SF6 circuit breaker truck,vacuum contactor truck,fixed load switch and load switch-fuse combiner,etc. The product is widely used in power plants,medium and small generators,power acceptance and distribution in industrial and mining enterprises and large sized HV motor to start-up,playing functions of circuit control, protection and detection. Sheathing material uses aluminized zinc sheet steel,through CNC machine and multiple folding processes.It makes the switchgear not only high in accuracy, strong corrosion resistance and oxidation resistance, but also be more light weight than other one kind switchgear, attractive appearance and high mechanical strength. Meet standard requirements of IEC60298/GB3906 ,etc. ‘Five-prevention’ function