By way of voltage - protection unit of a vehicle - on-board electrical system and vehicle, in particular utility vehicle with a vehicle - on-board electrical system

摘要

The present invention relates to an over voltage - protection unit of a vehicle - on-board electrical system with at least one vehicle - battery. According to the invention, an electrical series connection of at least one via voltage - protective element (2, 3, 4; 16) and at least one fuse (8, 9; 17) in a thermally coupled arrangement of the at least one via voltage - protective element (2, 3, 4; 16) and the at least one fuse (8, 9; 17) is provided, whereby the - over voltage protection unit (1) between a ground connection (i) of the on-board power supply and a battery contact connection (ii or iii) and / or between two battery contact terminals (ii and ii) is arranged.