Multiphase ground fault circuit interrupter
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United States of America Patent
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Apr 11, 2023
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N/A
app pub date -
May 20, 2022
filing date -
May 20, 2022
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Abstract
A multiphase ground fault circuit interrupter includes a first phase power line input, a second phase power line input, a third phase power line input, a neutral line input, a controller circuit having a relay control output, a first phase latching relay having a first phase switch input coupled to the first phase power line input and a first phase relay control input coupled to the relay control output of the controller circuit, a sensor having a core and a sensor pickup coupled to the controller circuit, and a first phase load wire coupled to a first phase switch output of the first phase latching relay and passed through the core.
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