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Arc fault detector and method for locating an arc fault

  • US 7,253,640 B2
  • Filed: 01/13/2003
  • Issued: 08/07/2007
  • Est. Priority Date: 01/13/2003
  • Status: Active Grant
First Claim
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1. A circuit breaker for a protected circuit, said circuit breaker comprising:

  • means for interrupting said protected circuit;

    an arc fault detector determining an arc fault in said protected circuit;

    a circuit measuring and storing a plurality of values of peak current for said arc fault; and

    means for displaying only the largest one of said measured and stored values of peak current for said arc fault external to said circuit breaker.

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