Arc fault circuit interrupter
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United States of America Patent
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May 2, 2017
Grant Date -
Apr 30, 2015
app pub date -
Jun 20, 2014
filing date -
Oct 30, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An arc fault circuit interrupter includes: an insulating casing, electrical input terminals and electrical output terminals, first and second electrical path connected between the electrical input terminals and electrical output terminals, and a movement mechanism. The movement mechanism includes: first and second moving contact arms, electrically coupled to the first and second electrical paths, respectively; a control circuit board; an arc detection mechanism, electrically coupled to the control circuit board, for detecting an arc signal and causing the control circuit board to generate a trip signal; a tripping mechanism, electrically coupled to the control circuit board, for receiving the trip signal to disconnect the electrical coupling between the first moving contact arm and the first electrical path and/or the electrical coupling between the second moving contact arm and the second electrical path. The device can immediately cut off the power when detecting an arc signal to prevent fire hazard.
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