The invention relates to an electrical or optical connector of the type comprising a fixed male connector part or receptacle (3) having at least one axial contact pin (7), and a mobile female connector part or plug (1) capable of being coupled to the said receptacle (3) on its front part and having a female contact part, receiving the contact pin (7) upon coupling of the connector, the said plug (1) having a rear handle (11) allowing the coupling or uncoupling manoeuvre of the connector, for example by a remote-controlled vehicle, by means of an arm and an end pincer for gripping the said handle (11), characterized in that the rear body part (15) of the plug (1) has a cavity (19), capturing with limited angular displacement in axial alignment a ball-joint element (13) rigidly fixed to the said rear handle (11), the said ball-joint element (13) being held in along the axis of the plug (1) by a spring means (35), the ball-joint element (13) also comprising at least one longitudinal spline designed to engage into a complementary groove in the rear body part (15) of the plug (1), locking, with limited play, any freedom for the ball-joint element (13) to rotate relative to the body (15) of the plug (1).