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:
Feb. 24, 2004
Filed:
Mar. 07, 2001
Applicant:
Inventors:
Bernhard Bauer, Regensburg, DE;
Manfred Kleemeier, Neutraubling, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02H 3/08 ;
U.S. Cl.
CPC ...
H02H 3/08 ;
Abstract
A residual current device ( ), having a residual current tripping circuit ( ) which is independent of the mains voltage and contains a core balance transformer ( ), and having overload protection ( ) arranged in an overload tripping circuit ( ) which is supplied with the mains current, wherein the residual current tripping circuit ( ) and the overload tripping circuit ( ) contain a common tripping relay ( ) for operating a switching mechanism ( ) which switches a conductor network (LN).