Ritter high and low voltage switch cabinet is a kind of electrical equipment. The outside line is advanced into the main control switch in the cabinet, and then into the sub-control switch. Each branch is set according to its needs. Such as instruments, automatic control, motor magnetic switches, various AC contactors, etc., some also have high-voltage chamber and low-voltage chamber switch cabinets, high-voltage buses, such as power plants, etc., and some also have low-cycle load reduction for main equipment.