Disconnect switch for interupption dc circuit between DC power source and load
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United States of America Patent
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Feb 23, 2021
Grant Date -
Apr 6, 2017
app pub date -
Dec 19, 2016
filing date -
Jun 18, 2014
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Abstract
A disconnecting device for interrupting the direct current between a direct current source, in particular in the direct voltage range between 300 VDc and/or in the nominal current range between 4A and 250A, and a load. The device has at least one protection switch with a protection switch arrangement having a magnetic trigger, and has semiconductor electronics which are connected in parallel to the at least one protection switch and which block the current when the protection switch arrangement is in a current-conducting state and which conducts current at least temporarily when the protection switch arrangement is triggered. A current, in particular an electric arc current generated as a result of an electric arc, is switched, when the protection switch arrangement is triggered, from the at least one protection switch to the semiconductor electronics.
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