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Class Information
Number: 218/31
Name: High-voltage switches with arc preventing or extinguishing devices > Arc preventing or extinguishing devices > Magnetic blowout > Contact structure > Bridging contacts
Description: Subject matter including a set of contacts in which the moving contact touches two stationary contacts substantially simultaneously during operation of the circuit breaker.


Patents under this class:

Patent Number Title Of Patent Date Issued
6103986 Circuit breaker including bridging contact with magnetic structure Aug. 15, 2000
6087609 Circuit breaker, arcing chamber housing for a circuit breaker and housing module for an arcing chamber housing Jul. 11, 2000
5834723 Apparatus for retaining a movable contact in a circuit interrupter Nov. 10, 1998
5686712 Electrical contact assembly Nov. 11, 1997
5495083 Electric switch device with separable contacts including fixed contact mounted current limiter and shunt conductor Feb. 27, 1996
5493091 High voltage circuit breaker contact structure including ionization slot and secondary arcing features Feb. 20, 1996
5313180 Molded case circuit breaker contact May. 17, 1994
4698607 High speed contact driver for circuit interruption device Oct. 6, 1987
4658227 High speed magnetic contact driver Apr. 14, 1987
4656445 High speed contact driver Apr. 7, 1987
4646041 High speed contact driver for circuit interruption device Feb. 24, 1987
4644309 High speed contact driver for circuit interruption device Feb. 17, 1987
4370636 Electromagnetic dual break contactor Jan. 25, 1983
4151391 Contact arrangement for a pressurized gas circuit breaker Apr. 24, 1979



 
 
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