Rail mounting, assembly is faster and faster. The electricity meter can be used on DIN rail in intermediate meters or plug-in sub-distributors. With 7+1 digital points LCD display, the electricity consumption is always in view, LED pulse display serves as load display for each phase of the three-phase meter. With S0 interface for remote reading, suitable for building automation, energy management system industry, electrical circuit equipment. Standard configuration short-circuit terminal cover, can choose extension terminal cover to protect safety. Thickened copper connector to ensure constant current operation.