Method And Device For Switching A Contactor
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United States of America Patent
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Issued Date -
Jun 4, 2015
app pub date -
May 30, 2012
filing date -
May 30, 2012
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A low voltage contactor for connecting and disconnecting a three-phase load to an electric power including a coil, main contacts operated by the coil and an electronic control circuit for controlling voltage supplied to the coil. The electronic control circuit includes a pre-arranged time point selection scheme and is further adapted to select a time point from the pre-arranged time point selection scheme as a time delay, and initiate an instant opening command based on the selected time point.
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