An electronics module configured to be plugged into an installation module having an isolating element which is operated by an operating means to close and open a circuit during an insertion process and withdrawal process, respectively, wherein the isolating element includes a first connection having a first contact area, a second connection having a second contact area, and a closing element having a third contact area and a fourth contact area. The closing element is arranged in a disconnected position such that a first isolation separation is provided between the first contact area and the third contact area, and a second isolation separation is provided between the second contact area and the fourth contact area.