The distribution board is usually composed of cabinet, switch, protection device, electric energy meter, etc., and other anime devices. The main purpose is to facilitate power cut and transmission, play the role and function of metering and protection, and facilitate maintenance in case of circuit failure. The distribution board can be used alone or as a complete set of mechanical equipment. With the improvement of requirements for various mechanical equipment, the processing and manufacturing of distribution boards are also improving. At present, the switchboard industry has become a mature industry; Also because of the upgrading of electrical components and the improvement of machining level, the quality of distribution boards has been greatly improved
