Patent ID: 7342759

Claim:
A power supply unit, comprising: a mains suppression filter having an output side to be connected to a central power supply device for electrical equipment in a domestic appliance and to at least one electronic controller in the domestic appliance; an automatically controllable mains disconnection apparatus, together with said mains suppression filter, being connected in at least one mains cable selected from the group consisting of phase lines and neutral conductors, said mains disconnection apparatus having an input side, a control input and a control logic unit with a control output, said control output of said control logic unit connected to said control input; a power supply device connected to said input side of said mains disconnection apparatus; said mains disconnection apparatus has a switching apparatus and main switches connected to said switching apparatus and coupled to said mains suppression filter, said switching apparatus forms said control input of said mains disconnection apparatus; said control logic unit has inputs for receiving trigger signals; and said switching apparatus switching said mains switches on and/or off if a trigger signal is applied to one of said inputs of said control logic unit.