Electrical On-Board Network Device for Supply of at Least Two Electrical Loads in a Motor Vehicle, and Motor Vehicle, Switching Device, and Method for Operating an On-Board Network Device

The invention relates to an on-board network device for supplying at least two electrical loads with an on-board network voltage in a motor vehicle, wherein the on-board network device has a connection device for receiving the on-board network voltage from a voltage source and a first on-board network branch for connecting one or some of the loads and for forwarding the on-board network voltage to each connected load. A second on-board network branch is provided for connecting each remaining load and for forwarding the on-board network voltage to each remaining load and that the connecting device is connected to both the first on-board network branch and the second on-board network branch via at least one switching element and that a control device is configured to electrically connect the connection device in an alternating manner to the first and second on-board network branches by switching the at least one switching element.