But combinational network concentrator

The utility model discloses a but combinational network concentrator, including the concentrator body, be equipped with a plurality of wiring mouth in the side of concentrator body, lie in every wiring mouthful corresponding position top on the concentrator body and all open underlined groove, middle the opening of concentrator body having the wiring perforation, and it has a plurality of bolt holes to open on the concentrator body, through the upper and lower connection of the bolt that passes the bolt hole between a plurality of concentrator bodies. Compared with the prior art, the utility model discloses a concentrator, its big or small expansible can not cause the waste, and open the concentrator in the middle of and having the wiring to bore a hole, all wiring can be followed here and passed, and can not randomly arranged occupation of land side, and are cleaner and tidier, in addition, underlined groove is opened to every wiring mouthful top, can carry out the mark to every wiring, and the convenience is seeked to the circuit, and is efficient.