<p>The motor unit has an electric drive motor (2) and an electric control unit (3) for setting the motor speed and torque, contained within a common heat-conductive housing (5). The control unit is fitted into the housing as a separate module. The control unit is coupled to the electric motor via a plug-in connection. The housing (11) of the control unit is supported by an internal flange (10) of the common heat-conductive housing and connected on the opposite side to the motor to an lead cable.</p>
