Method for controlling contact depression for high ampere-rated circuit
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United States of America Patent
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May 21, 1996
Grant Date -
N/A
app pub date -
Aug 8, 1994
filing date -
Aug 8, 1994
priority date (Note) -
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Abstract
The contact depression effected between the fixed and moveable contacts in a high ampere-rated circuit breaker is fixed after assembly of the current carrying components by the provision of a multi-dimensional contact carrier support bearing. The selection of the support bearing dimension fixes the height of the movable contact arm and the attached movable contact relative to the subjacent fixed contact. Control of the contact depression improves circuit interruption efficiency and extends the operating life of the circuit breaker contacts.
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