The transient recorder fault indicator is used in the field of overhead line fault location. It is a power distribution automation product that integrates wireless radio frequency communication, low current power supply, low power consumption, high frequency sampling and other technologies. This product solves the problems of short-circuit fault detection of overhead lines and single-phase grounding positioning, and has the function of real-time monitoring of line load. The single-phase grounding fault can be located locally or at the master station by capturing the transient waveform signal when the fault occurs. The collection unit has a suspended design and has a wide range of applications.