METHOD FOR SWITCHING OFF AN ARC IN AN ELECTRICAL INSTALLATION
Number of patents in Portfolio can not be more than 2000
United States of America
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Issued Date -
Mar 5, 2020
app pub date -
Dec 1, 2017
filing date -
Dec 1, 2017
priority date (Note) -
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Abstract
An electrical installation includes: a switchgear cabinet; a protective switch arranged in the switchgear cabinet; at least one optical triggering device which is operatively connected to the protective switch and for triggering or switching off the protective switch upon optical detection of an arc; a detection device for detecting an access or an access request to a secured area of the electrical installation by detecting a presence of the at least one optical triggering device in a danger area of the electrical installation; and an electronic circuit which is connected to the detection device and allows, and otherwise prevents, a triggering or switching off of the protective switch by the at least one optical triggering device upon detection of the access or the access request, when the at least one optical triggering device is present in the danger area.
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