Electrical circuit protection device for leakage current protection
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United States of America Patent
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Feb 27, 2018
Issued Date -
N/A
app pub date -
Dec 31, 2015
filing date -
Sep 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A circuit protection device includes a housing with a base and an upper cover, a clapboard, a circuit board, an AC power source path, a synchronous unit, a synchronous control switch, a tripping and resetting mechanism, a ground fault detection drive unit and a test and reset switch, to perform a function of ground fault protection, and to switch synchronously on or off the AC power path. The device has a manual mechanical tripping and electrical reset function, ensuring that the AC power supply connecting to the load circuit is switched off when the device has malfunctioned or the load circuit has failed, and preventing the device from being reset in case that the circuit protection device is not energized, or the circuit protection device has failed, or the AC power supply is reversely connected with load terminals.
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