This kind of device is applied to the overhead power distribution network automatic system from 6KV to 35KV, is used to improve the safe and reliable operating performance through centralized monitoring the current, temperature and fault condition on the power distribution circuit.

This power distribution fault location and load monitoring system is a set of intelligent device which can remotely transmit the data, monitor, centralized manage, instantly alarm, it includes line fault detection, communication transmission technology, sending SMS to central system and mobile, which can make fault location searching more easily, all lines of one power supply company only need one working main station.