Switching device having a measuring apparatus
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United States of America Patent
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Aug 8, 2017
Grant Date -
Oct 22, 2015
app pub date -
Nov 27, 2013
filing date -
Nov 27, 2012
priority date (Note) -
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Abstract
A switching device has a current transformer for measuring in a potential-free manner a current to be switched by the switching device, a current sense amplifier, to which the unrectified measurement current of the current transfer is fed on the input side, and a controller, to which the output current of the current sense amplifier is fed on the input side and which is configured so as to digitalize the fed output current and to perform one or more performance-related measurements and to output the measurement results.
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