The device (1) includes a housing (2) in which an electric motor (5) is secured, the shaft (6) of this motor being coupled to a rotary control member (11) having on one surface a cam profile (11c) cooperating with a coordinated profile (20d) of a controlled member (20) which may move in translation in the housing (2) such that when the motor (5) is actuated, the rotation of the rotary control member (11) is adapted to cause the controlled member (20) to move in translation into a first position remote from the control member (11) or to enable this controlled member (20) to move in translation into a second position close to the control member (11). The housing (2) further bears a first and a second electrical switch (31, 32) connected to the motor (5) and comprising respective fixed contacts (31b, 32b) and a single common moving contact member (33), made from an electrically conducting material, with which two integral feeler members (33a, 33b; 50, 51) are associated and cooperate directly with associated cam profiles of the rotary control member (11).