Locking system for a hook clamp on a busbar bridge, in particular of a fuse switch-disconnector, and lock for a hook clamp on a busbar bridge, in particular of a fuse switch-disconnector

Abstract

The subject of the application is a hook terminal (4) locking system for a busbar bridge, in particular a fuse switch-disconnector comprising a complete fuse base (1), which comprises at least one fuse base (2) and at least one hook terminal (4) releasably mounted in the fuse base (2), which comprises at least one hook and at least one hook holder mounted thereon, characterized in that the fuse base (2) comprises at least one wall (2.2.) shaped inwards in relation to at least one vertical wall (2.1.) of the fuse base (2), and at least one hook holder comprises an upper wall (4.2.1.) and between the wall (2.2.) of the fuse base (2) and the upper wall (4.2.1.) of the hook holder there is a transverse recess in which the lock is releasably and movably mounted.The subject of the application is also a hook clamp lock (4) for a rail bridge, characterized in that it has a cross-section along the outer contour of the walls in the shape of a quadrangle and comprises an upper wall and a lower wall (5.2.) located opposite it, a front wall (5.4) and a rear wall located opposite it, and a first side wall which comprises at least one stabilizing projection located on its lower and / or upper edge and a projection is located on at least one outer wall of the stabilizing projection.