The power distribution cabinet divided power distribution cabinet and distribution cabinet, illumination meter cabinet, is the final equipment of power distribution system. Distribution cabinet is a general designation of the motor control center. Distribution cabinet used in the load more scattered, less loop occasions, the motor control center used in the load concentration, loop more occasions. They distribute the power of a circuit of the upper level power distribution equipment to the nearest one. This level of equipment should provide protection, monitoring and control of the load.