Current limiting circuit breaker stationary contact assembly with integral magnetic activating means
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United States of America Patent
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-
Dec 16, 1986
Grant Date -
N/A
app pub date -
Apr 1, 1985
filing date -
Apr 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stationary contact assembly is provided for a current limiting circuit breaker. The contact assembly includes a curved input arm which has a contact fastened thereon and a generally straight output arm which also has a contact fastened thereon and which has an opening for receiving the contact end of the input arm. The contacts are encapsulated in an insulating material which separates the contact arms from each other. A magnetic element is also embedded in the encapsulation material between the input and output contact arms. As current flows through the contact arms, a field is developed about the magnetic element which draws in an armature which reduces the opening force of the contacts.
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