Patent ID: 8164019
Filing Date: 2012-04-24
Classification: H01H

Abstract:
1. An electrical contact for a medium-voltage vacuum circuit-breaker, extending along a longitudinal axis Y and comprising: a mechanical connection portion that extends along the longitudinal axis Y; wherein the second winding consists of an additional solid part, the part comprising two cylindrical portions and an annular ring that is not looped and that is centered on the two cylindrical portions, each non-looped end of the ring being fastened by an arm to one of the cylindrical portions, the arrangement of this additional part being such that the two cylindrical portions are centered on the longitudinal axis Y and the annular ring is concentric with the first winding, one cylindrical portion being fastened to the mechanical connection portion and the other cylindrical portion being fastened to the circular contact plate, the hollow of the first winding and the space between the annular ring and the two solid cylindrical portions being empty of material.