Device, method and computer program product for prioritising switching off of electrical circuits

A method for avoiding a power supply unit overload, the method comprising:

• sensing a first current of a power supply connection of a first load;
• sensing a second current of a second power supply connection of a second load,
• the first power supply connection and the second power supply connection being electrically supplied by an upstream power supply unit,
• receiving, with a receiving unit, a measured value for a power capability of the upstream power supply unit;
• and
• controlling , with a controller, upon exceedance of the power capability of the upstream power supply unit, at least one shutoff of the first power supply connection or the second power supply connection ,
• wherein the power supply connection with a greatest present current load or a greatest present power draw is shut off.