Digital fault interrupter with self-testing capabilities

  • US 6,807,036 B2
  • Filed: 03/04/2002
  • Issued: 10/19/2004
  • Est. Priority Date: 04/26/2001
  • Status: Active Grant
First Claim
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1. A fault interrupter apparatus comprising:

  • first and second input terminals for connection to the line and neutral terminals, respectively, of a power source;

    first and second output terminals for connection to the line and neutral terminals, respectively, of a load;

    first and second conductive paths extending, between said first and second input terminals and said first and second output terminals;

    first and second contact sets for completing and interrupting said first and second conductive paths, respectively;

    an actuator for operating said first and second contact sets; and

    first and second electronic switching devices coupled to said actuator, said first electronic switching device being adapted to energize said actuator for a selected period of time, said second electronic switching device being adapted to commence energization of said actuator after said first electronic switching device ceases operation.

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