The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 24, 2007
Filed:
Feb. 09, 2006
Alexander Rab, Walldorf, DE;
Wolfgang Dorfeld, Dossenheim, DE;
Ralf Weber, Heidelberg, DE;
ABB Patent GmbH, Ladenburg, DE;
Abstract
The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connecting areas and connection means () for the purpose of connecting busbars and/or connection lines on both end sides and, having at least one switching contact having a fixed and a movable contact piece (), an arc () being produced in an arc prechamber area () between said fixed and movable contact pieces () in the event of a disconnection. The arc enters a current-limiting arc-quenching device (), in particular an arc splitter stack, via arc guide rails (), at least one insulating plate () being arranged at the edge of the arc-quenching device (). The insulating plate () is fixed to the end section of an arc guide rail () by means of a fixing clip ().