CPC G01R 31/2827 (2013.01) [G01R 31/50 (2020.01); G01R 31/52 (2020.01); H01H 71/04 (2013.01); H01H 83/04 (2013.01); H02H 3/044 (2013.01); H02H 3/162 (2013.01); H02H 3/335 (2013.01); H01H 2071/044 (2013.01); H01H 2300/052 (2013.01)] | 17 Claims |
1. A circuit interrupting device comprising:
one or more line terminals for connecting to an external power supply;
one or more load terminals for connecting to an external load;
one or more contacts electrically connecting one or more line terminals to one or more load terminals; and
an auto-monitoring circuit configured to
monitor one or more signals to determine an operating state of said circuit interrupting device,
output a first signal having a first voltage level based on the operating state, wherein the first voltage level is greater than zero volts, and
output, after outputting the first signal, a second signal having a second voltage level based on the operating state, wherein the second voltage level is greater than the first voltage level.
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