A plug connector having a two-part housing formed of a lower part and a cover. The cover is used as a pressure clamping plate during connection of the two housing parts by screws and presses insulated individual conductors of a connecting cable, which have previously been inserted into guides disposed in the lower part of the housing into insulation displacement connection (IDC) contacts. The IDC contacts that are fixed in the lower part between the guides, and firmly clamps the connecting cable in a cable entry of the housing.