With the Motor control unit MSG1-UP 24 V PS the 24 V DC motor for a shutter, an awning, a blind or window is controlled. The electronic output with polarty change switches silently. An internal power supply transforms the 230 V AC mains voltage into 24 V DC to power the motor.The device has an input to the central controller, e.g. for time switches, switches or control systems and a manual input for a push-button. Both inputs are fitted with a time automatic for step operation and lock mode.