Functional and technical requirements, have been put into installation

A three-phase smart meter outside the control of the technical requirements phase smart meter built on the State Grid Corporation of nine companies on technical standards, with a unified style, functional and technical requirements, have been put to install, use, is a new  circuit breakers  apparatus. State Grid-phase intelligent power meter terminal 13 for the trip normally open terminal, terminal 14 common terminal for the trip, the 15th terminal is  electri cenergy meter  terminal of the trip. Tripping control terminal can output pulse mode or level mode switching signal, the switch node capacity AC 250 V, 2 A, control external alarm device or switch.