With the development of modern industry, the degree of automation and intelligence of electrical control equipment is getting higher and higher, the use of modern electronic technology, sensor technology, communication technology, computer network technology, the power equipment in the normal and accident conditions of monitoring, protection, control, measurement and other integration, to achieve good management, has become an inevitable trend and development direction. The LPXGW-12 primary and secondary fusion ring cage is composed of ring cabinet, distribution automation terminal, outer box and connecting cable, etc. Through the organic combination of primary equipment and secondary equipment, the intelligent and automatic control of the power system can be better realized, and the stability and reliability of the power system can be improved. The product is based on the latest distribution automation standards for the first and second fusion design, integration of DTU and intelligen