Fault detection device for line loss management

The utility model discloses a fault detection device for line loss management, which comprises a line loss concentrator main body, a dustproof assembly and a connecting assembly, the dustproof assembly is fixed on the outer wall of one side of the line loss concentrator main body, and the connecting assembly is fixed on the outer wall of the bottom end of the line loss concentrator main body; the dustproof assembly comprises a first rotating shaft, rotating plates, a sliding groove, a first spring, a first moving plate, a sliding block, a second rotating shaft, a dustproof pad, a supporting pad and a second spring. The rotating plates are installed on the outer walls of the two sides of the line loss concentrator body. According to the utility model, the dustproof device is adopted, and a dustproof structure can be added at the wiring position, thereby reducing the dust amount at the wiring position, preventing excessive dust accumulation, and preventing the wiring effect from being affected; in addition, a c