Electrical Load Controller with Neutral Detection
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United States of America Patent
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Issued Date -
Mar 13, 2014
app pub date -
Sep 10, 2012
filing date -
Sep 10, 2012
priority date (Note) -
Abandoned
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Abstract
An electrical load control device as disclosed above is capable of detecting when it has been connected to either a leakage type (two-wire) or a Neutral type (three-wire) power input and automatically adjust its operation accordingly. In leakage operation the leakage current is limited to 0.5 ma and in three-wire or neutral operation the power supply provides more current than in leakage operation. In neutral operation, one or more signals are provided to the microprocessor to enable operation of indicator or other power consuming elements.
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