(EN) The invention relates to a fuse system for a switchgear assembly, especially for amedium voltage switchgear assembly. The fuse system comprises a plurality of fuseswhich correspond to the number of phases, every fuse having a tripping bar thatprojects from the face of the fuse under the effect of the force of a spring when thefuse comes into action. A sealing body, with a spring arrangement interposed, pushes asealing head into the interior of a receptacle receiving the fuse. A two-amend lever isreceived on the sealing head, one arm covering the tripping mechanism which actuatesa power switch.