Contact mechanism of an electric switching device

US9269505B2 · kind B2 · utility

Assignee

• EATON ELECTRICAL IP GMBH & CO. KG · DE

Inventors

• Volker Heins · Meckenheim, DE
• Kurt Haendler · Bonn, DE

Key dates

• Filing date: Nov 28, 2011
• Grant date: Feb 23, 2016
• Expiry date: May 25, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01H77/107
• WIPO field: Electrical machinery, apparatus, energy
• WIPO sector: Electrical engineering

Abstract

A contact mechanism includes a current path having a 360° winding formed by a plurality of conductor sections and having an axis that is perpendicular to a plane in which a rotary contact body is movable. The conductor sections include a first section with a first current conductor that extends to a fixed contact. A second conductor section extends through the fixed and rotary contacts. A third conductor section extends through the rotary contact. A final, conductor section, including a second current conductor, extends to the rotary contact body and runs parallel and in close proximity to the first current conductor. Each of the first and second current conductors are substantially parallel to the rotary contact body in the closed position and are formed as straight and rigid busbars having a length corresponding at least to a length of a contact arm of the rotary contact body.