Circuit interrupting device with automatic end-of-life test
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United States of America Patent
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Aug 18, 2009
Grant Date -
Jul 17, 2008
app pub date -
Apr 25, 2007
filing date -
Jan 17, 2007
priority date (Note) -
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Abstract
The present invention provides a novel circuit interrupting device capable of performing an automatic end-of-life test using a status test switch (KR-1), when the device is properly wired and the reset button is at a tripped state. The present invention is further characterized by its novel reset mechanism using a reset start switch (KR-4), a novel electrical connection between an input power end, an output power end, and a user accessible end to establish or discontinue electricity in the circuit interrupting device, and a novel test mechanism which uses a test button in connection with a rotatable lever to provide a dual test function to either test the components of the circuit interrupting device when the power is on and the reset button is at a reset state, or provide a mechanical trip when the reset button cannot be tripped by artificially generating an electric leakage current. Finally, the present invention provides a method to monitor the end-of-life of the device.
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