TRIPPING UNIT FOR CIRCUIT BREAKER
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United States of America Patent
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Issued Date -
Dec 8, 2011
app pub date -
Jun 6, 2011
filing date -
Jun 8, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A multipolar circuit breaker includes main circuits having main contacts and a latching mechanism for tripping the main contacts of main circuits. A tripping unit configured to actuate the latching mechanism in response to detection of an over-current in at least one of the main circuits. The tripping unit is plugged into a section of the circuit breaker and includes at least one bimetal strip connected in series with at least one of the main circuits and operatively connected with the latching mechanism.
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