High-voltage switches with arc preventing or extinguishing devic – Arc preventing or extinguishing devices – Contact structure
Patent
1996-08-07
1998-07-14
Dang, Khanh
High-voltage switches with arc preventing or extinguishing devic
Arc preventing or extinguishing devices
Contact structure
218 27, 218 32, 218 34, 218 41, 218 89, 335201, H01H 930
Patent
active
057808007
ABSTRACT:
An arc isolation shield for molded case circuit breakers is inserted between the circuit breaker case and cover and attached to one leg of the operating cradle. The knee of the circuit breaker moveable contact arm contacts the bottom of the shield and moves the shield in unison with the contact arm to protect the contact arm, contact braid and operating spring upon contact separation under severe overcurrent conditions.
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Boucher George J.
McCuin J. Peter
Palmieri Joseph M.
Dang Khanh
General Electric Company
Horton Carl B.
Menelly Richard A.
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