Fail safe fault interrupter using secondary breaker
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United States of America Patent
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Dec 14, 2004
Grant Date -
Apr 3, 2003
app pub date -
Sep 8, 2002
filing date -
Sep 9, 2001
priority date (Note) -
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Abstract
An apparatus and method for providing redundant protection to a fault detection/interruption circuit, thereby ensuring safe operation even in the case of a failure of the primary fault detection/interruption means. Upon the occurrence of a failure in the primary circuit interruption means, a secondary circuit breaker, or in some embodiments, a redundant primary circuit breaker release mechanism, serves to remove power from a protected outlet or output conductors.
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