Residual-current circuit breaker

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United States of America Patent

PATENT NO 9153952
APP PUB NO 20130321965A1
SERIAL NO

13985064

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Abstract

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A residual-current circuit breaker includes switching contacts and at least one residual current detector configured to determine a residual current signal. The residual-current circuit breaker is configured to bring about an opening of the switching contacts upon the detection of a residual current greater than a pre-definable tripping current. A first circuit arrangement is configured to inhibit tripping of the residual-current circuit breaker when a residual current occurs that has a duration that is shorter than half a period of a grid frequency of an associated electrical grid.

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Patent Owner(s)

  • EATON INDUSTRIES GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Niehoff, Ronaldus Oldenzaal, NL 8 78

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