The utility model provides a novel multi -functional electric power deconcentrator, including the shield, detain the claw, the stake body, the generating line is perforated, generating line set screw, sub - line is perforated, sub - line set screw, the fixed plate, monitoring device and mounting hole, the shield through detaining the lateral surface of knuckle at the stake body, the generating line outside installation generating line set screw that perforates, the sub - line set screw of outside installation that perforates, fixed plate welding in the outside of stake body, monitoring device inlay the middle part at the stake body, the mounting hole setting in the both sides of fixed plate. The utility model discloses monitoring device, service function is convenient for improve in the setting of shield and stake body, has enlarged application scope, and fail safe nature is high, and the installation simple operation is convenient for maintain be convenient for marketing and application.