Patent · US Active

Electrical switching device

US7528690B2 · kind B2 · utility

7Cited by

16References

4Claims

0Family size

Assignee

ABB PATENT GMBH · DE

Inventors

Jürgen Christmann · Bammental, DE
Ralf Weber · Duisburg, DE

Key dates

Filing date	Aug 31, 2006
Grant date	May 5, 2009
Priority date	—
Expiry date	Aug 31, 2026

Classification

Technology area (CPC H)Electricity
CPC primaryH01H71/2463
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

The invention relates to an electrical switching device, having a thermal release, an electromagnetic release, and a switching mechanism with a latching point. A contact base for moving a contact member is located between the thermal release and the electromagnetic release. The thermal release is coupled to a release lever by means of a connecting rod passing over the contact base so that both the thermal release and the electromagnetic release open the latching point in the event of an overcurrent and/or short-circuit current.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.