Energy absorbing contact arm stop
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 28, 2003
Grant Date -
N/A
app pub date -
Sep 6, 2000
filing date -
Mar 17, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit breaker cassette comprises a housing having a fixed contact, and a movable contact on a contact arm. The contact arm is positionable in a closed position and an open position, wherein the contact arm is closed when the movable contact is in contact with said fixed contact. A spring biases the movable contact arm towards the closed position A kinetic energy-absorbing stop is positioned to absorb kinetic energy of the contact arm resulting from magnetic repulsive forces forcing the movable contact and the fixed contact apart during a short circuit condition.
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