Mold cased circuit breaker
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United States of America Patent
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Jun 26, 2012
Grant Date -
Jan 28, 2010
app pub date -
Jul 15, 2009
filing date -
Jul 25, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a mold cased circuit breaker (MCCB) comprising a plurality of single pole breaking units simultaneously opened and closed by a pair of common shaft pins. The MCCB effectively transmits a torque for opening or closing contacts to adjacent single pole breaking unit for electrical pole with a minimized loss, and prevents the shaft pins from being bent. The MCCB comprises a crank installed across the pair of shaft pins so as to connect the shaft pins to each other.
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