Contact for a medium-voltage vacuum circuit-breaker with reinforced structure, and an associated circuit-breaker or vacuum circuit-breaker, such as an AC generator disconnector circuit-breaker
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United States of America Patent
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May 1, 2012
Grant Date -
Jan 6, 2011
app pub date -
Jun 2, 2010
filing date -
Jun 10, 2009
priority date (Note) -
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Abstract
A vacuum circuit-breaker wherein at least in one of the contacts at least one stud is used as a spacer, and is disposed between the mechanical connection portion and the circular plate of the contact body in such a manner as to avoid the collapse thereof during a closing operation of the vacuum circuit-breaker, and in the closed position the contacts can withstand very high compression forces, typically greater than 700 kg-force or 2 t-force.
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