The terminal DTU of the distribution automation station is mainly used in the distribution automation system. It is installed in the 10KV ring network cabinet, switching station, distribution room, switch room, comprehensive room and other places, and can be connected with the distribution network automation main station and substation system Cooperate to realize the collection, analysis and control of voltage, current, active power, reactive power and other data of multiple lines, detect faults, locate faulty areas, isolate and restore power supply in non-faulty areas. It is an ideal product to realize power distribution automation.