Plug-and-socket connector element

The invention relates to a plug-and-socket connector element comprising a base body in which at least one plug contact is arranged, with the at least one plug contact permitting an insertion of an electric feed line in an axial direction from the rear end of the at least one plug contact, and a fitting part which is preferably movable in an axial direction with respect to the base body which at the rear end permits a lateral access to the at least one plug contact in a first latch position and, in a second latch position, laterally covers the at least one plug contact at least partially.