Circuit breaker latch mechanism integrated into the rotor assembly
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United States of America Patent
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Dec 12, 2017
Grant Date -
Dec 7, 2017
app pub date -
Jun 3, 2016
filing date -
Jun 3, 2016
priority date (Note) -
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Abstract
A circuit breaker includes an electrically insulative case and a rotor assembly disposed within the electrically insulative case. The rotor assembly includes a contact arm and a rotor that is rotatable relative to the electrically insulative case. The contact arm is coupled to the rotor and movable between a first position in which a conductive path is closed and a second position in which the conductive path is open. The rotor assembly also includes a latch mechanism coupled to the rotor. The latch mechanism retains the contact arm in the second position during a short circuit event. The latch mechanism is spaced from the contact arm when the contact arm is in the first position. The latch mechanism engages the contact arm when the contact arm is in the second position.
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