The utility model discloses a power distribution terminal device, insert the wiring board including quick -witted case, function PCB mainboard, man -machine operating panel, boat, the boat is inserted wiring board and man -machine operating panel tip and is passed through the connecting piece and can dismantle and be connected, and it has certain clearance fit space just to keep, the machine incasement is reserved there is boat grafting line inboard slot, and the boat of being convenient for is inserted the wiring board and is injected or the shedder case along with man -machine operating panel is whole, the boat is inserted and is provided with the boat on the wiring board and inserts binding post, is provided with mutual -inductor binding post on the function PCB mainboard, the boat is inserted binding post and is adopted the connector cooperation to peg graft with mutual -inductor binding post. The utility model discloses in, insert the hookup of wiring board and panel with the boat and be in the same place, insert the assembly together with the panel, need not loaded down with trivial details assembly operations, adopt the plug to realize man -machine operating panel, boat and insert being connected between wiring board and the function PCB board for the device is in assembly and debugging operation convenience very.