Handle interlock arrangement for high ampere-rated circuit breaker operating handles
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United States of America Patent
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Feb 27, 1996
Grant Date -
N/A
app pub date -
Jun 27, 1994
filing date -
Jun 27, 1994
priority date (Note) -
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Abstract
This invention relates to a high ampere-rated circuit breaker which meets the electrical code requirements of the world market. The charging of the powerful operating springs controlling the circuit breaker contacts is made manually by means of an operating handle and a ratchet and pawl assembly. A two-stage latching arrangement controls the retention and release of the pawl to retain and discharge the operating springs. The operating springs cannot become discharged until and unless the operating handle is in a fully retracted position.
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