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. 19, 2016
Filed:
May. 02, 2012
Wolfgang Hofheinz, Gruenberg, DE;
Harald Sellner, Gruenberg, DE;
Wolfgang Hofheinz, Gruenberg, DE;
Harald Sellner, Gruenberg, DE;
BENDER GMBH & CO. KG, Gruenberg, DE;
Abstract
A monitoring device and a method safeguards the function of a type A residual current device (RCD) in a power supply system. The monitoring device includes a measuring current transformer circuit for detecting a DC fault current (I), an evaluation unit for processing the current detected by the measuring current transformer circuit, and a communication interface connected to the output of evaluation unit. In one embodiment, the monitoring device forms part of an electrical protection device with a type A residual current device (RCD) for ensuring the function of the type A residual current device (RCD).