KYN10-40.5 metal armored away switch cabinet(switch cabinet is the short call) is a suitable product in the nation. It is widely used in the power system of single busbar and the subway busbar of the three-phase 50HZ exchange current, 40.5KV rated voltage to regulate and receive the power in the power plants and power substation and the mining and industrial enterprise. And it has the function of controlling, protection, monitoring to the circuit. The switch cabinet is not only widely used in the ordinary power system but also used in the frequently operated power circuit. The holder of the cubicle is designed according to the structure of metal armored, and the body applies the high-quality welding quality. The shell protection level is IP3X. The switch cabinet is single and not wall installation. The inner has high performance of SF6 vacuum breaker and therefore greatly reduces the maintenance time. The iron road applies the thermal insulation casing busbar, the layer and the ends are good insulation performance and small size, and the handle car is light advanced structured with the reliable inductive positioning device to ensure the interchangeability of the similar hand car. The inner has the reliable “five-protection” mechanical interlocking device to ensure the safe and reliable operation. The switch cabinet meets the standard of GB3906 and the international standard of IEC-298.