The distribution box device is the low-voltage terminal responsible for completing the system power control, protection, and distribution device conversion. The power distribution cabinet distributes the electric energy of a circuit of the upper power distribution equipment to the nearest load. This equipment shall provide protection, monitoring and control of the load. According to the electrical wiring, the switchgear, measuring instruments, protective electrical appliances and auxiliary equipment are required to be assembled in closed or semi enclosed metal cabinet or on the screen to form a low-voltage distribution box. In normal operation, the circuit can be connected or disconnected by manual or automatic switch. Switch cabinet is an electrical equipment. The external line of the switch cabinet enters the main control switch in the cabinet first, and then enters the sub control switch. Each branch circuit is set according to its needs. For example, instruments, automatic control, motor, magnetic switch, various AC contactors, etc., some of them are equipped with high-voltage room and low-voltage room switch cabinet, with high-voltage bus, such as power plant, and some are also equipped with low cycle load shedding to ensure the main equipment. It is mainly composed of wire, components (including disconnector, circuit breaker, etc.), as well as in the enclosure and other parts.

Due to the construction of distribution box, distribution cabinet, construction distribution box and other facilities, the operation and development of internal instrument system can directly affect the stability of power consumption of an enterprise and family. Therefore, the state has studied a series of regulations on the manufacturing method of distribution box, distribution cabinet and construction distribution box. One of the reasons is that the time for making the box of distribution box, distribution cabinet and construction distribution box is passed. Keida electric introduces to you that the box manufacturing of distribution box should meet the following requirements:

Surface treatment of distribution box and distribution cabinet box. In order to ensure the service life of distribution box and distribution cabinet, rust removal, oil removal, phosphating, powder spraying, baking or plastic spraying shall be carried out on the surface of distribution box and distribution cabinet. The distribution box and other non corrosive metal parts in the distribution cabinet shall be galvanized. The shell surface of each distribution box shall be sprayed with plastic, and the thickness of spraying plastic shall meet the industry standard; the material selection of distribution box and distribution cabinet box shall be made. According to the national regulations, the box material of distribution box and distribution cabinet is made of cold-rolled steel plate. The width of the box is more than 500 mm and less than 800 mm, and the thickness of the steel plate is not less than 1.2 mm; the width of the box is greater than or equal to 800 mm, and the thickness of the steel plate is not less than 1.5 mm. The inner edge and opening of distribution box and distribution cabinet should be flat, smooth and free of cracks. The side of the box shall be equipped with embedded handle which can open and close the door, and the door lock shall be installed. The door of distribution box shall be closed tightly, and the door and similar parts can be opened for at least 90%.