A home automation actuator (100) comprising a motor (101) for maneuvering a mobile element in a building, a command receiver (108), a control unit (110), a single output converter (120), at least one switching member (104) intended to supply power to the motor, characterized in that the switching member and the input of a regulator (150) are directly connected to the output of the converter whereas the control unit and the command receiver are connected to the output of the regulator and that it comprises a control means (139) for controlling a first reduced level of the output voltage of the converter, which can be activated by the control unit, this first reduced level being lower than a minimum voltage for activating the switching member.