Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Automatic circuit-interrupting devices
Patent
1998-03-25
1999-06-08
Gellner, Michael L.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Automatic circuit-interrupting devices
335 8, 335 10, 335 35, 335201, 335172, H01H 7500
Patent
active
059107570
ABSTRACT:
A method and apparatus for interrupting the flow of electrical current in a multiphase circuit path between at least one source and at least one load including a circuit breaker having an electro-mechanical assembly and a blade carrier corresponding to each phase of the multiphase circuit path and a phase barrier between each blade carrier. The blade carriers are interconnected, preferably, with a crossbar wherein, when one or more phases of the circuit path are interrupted, opening one or more of the blade carriers, the crossbar moves all of the blade carriers to open positions. The phase barrier is positioned circumferentially around the crossbar between each blade carrier and includes a thermoplastic material. The electro-mechanical assembly is housed within a circuit breaker enclosure having an insulating base wall and cover wall. The phase barrier has a main body planar surface perpendicular to the blade carriers and extending from the base wall to the cover wall. The phase barrier is preferably manufactured entirely from the thermoplastic material, or in another embodiment, the phase barrier is manufactured of a fiberglass material having a thermoplastic material covering.
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Broghammer William J.
Niccolls Richard W.
Ophaug Darrell P.
Gellner Michael L.
Golden Larry I.
Irfan Kareem M.
Nguyen Tuyen T.
Square D Company
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