The first-class, second-class and third-class distribution boxes can also be called general distribution boxes, distribution boxes and switch boxes. The distribution boxes are usually the reference values in the data field and are composed of low-voltage forests. According to the electrical wiring, it is necessary to ensure that the switchgear, measuring instruments, maintenance appliances and auxiliary equipment are assembled in the fully enclosed or semi enclosed metal cabinet, so that the distribution box can be formed, During normal operation, the circuit can be connected or disconnected by manual or automatic switch. It can distribute the electric energy more appropriately, facilitate the operation of the circuit switch, and has a high level of protection and safety, and can more clearly display the state of the circuit. Distribution box manufacturer