the invention relates to a plug connector arrangement with a two - part mating halves , in which a first mating half can be joined to a second mating half via a plug - in control . the plug - in control has a lever arm pivotally mounted on a mating half that controls a gearing region , forcibly actuating the mating halves . the lever arm is provided on one side on the mating half and in addition to its pivot movement is mounted via a pivot support on the mating half to ensure that the mating halves and the electrical connections are securely joined , despite simple construction , whereby the invention may be used in as many different ways as possible .