Circuit breaker with arcing fault detection module
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United States of America Patent
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Oct 6, 1998
Grant Date -
N/A
app pub date -
Oct 4, 1996
filing date -
Oct 4, 1996
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An arcing fault detecting module is attached to a circuit breaker employing a thermal-magnetic trip unit to separate the circuit breaker contacts upon occurrence of an arcing fault. The arcing fault module contains a logic circuit and a current transformer for detecting the arcing fault and actuating a trip solenoid to articulate the circuit breaker operating mechanism and separate the circuit breaker contacts.
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