Circuit breaker and short circuiter combination
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United States of America Patent
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Dec 15, 2009
Grant Date -
Jan 10, 2008
app pub date -
Jul 5, 2007
filing date -
Jul 4, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A circuit breaker for multi-phase power includes an opening-closing apparatus configured to open and close each phase of the multiphase power, a detection unit configured to detect a fault current in at least one phase of an electrical installation being protected by the circuit breaker, a plurality of connecting bars disposed on a load side of the circuit breaker, and a short circuiter disposed on the connecting bars and configured to produce a short circuit between the connecting bars if a fault current is detected by the fault-current detection unit. When a fault current occurs, a tripping signal can be transmitted by the detection system to the short circuiter. The circuit breaker is also fully operational, even without a function-activated short circuiter.
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