Electromagnetic dual break contactor

Details Electromagnetic dual break contactor Electromagnetic dual break contactor

1981-04-03

1983-01-25

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335195, 200147R, H01H 6702

Patent

active

043706363

ABSTRACT:
An electromagnetically operated, straight-line motion dual-break electrical contactor has current conductors entering a contact area from opposite directions. In the contact area the conductors are closely spaced and have finite parallel substantially flat portions with an insulative divider to prevent conductor to conductor arcing. A pivotable contact carrying bridge spans the conductors. The pivotable bridge compensates for contact wear or displacement. Screens are arranged in arc blow paths to aid in extinguishing arcs. The contactor arrangement and spacing controls the direction and enhances the magnitude of arc blow.

REFERENCES:
patent: 1933175 (1933-10-01), Jansson
patent: 2059702 (1936-11-01), Matthias
patent: 2092478 (1937-09-01), Sommermeyer
patent: 2214530 (1940-09-01), Janser
patent: 2450256 (1948-09-01), Rowe
patent: 2575060 (1951-11-01), Matthias
patent: 2629036 (1953-02-01), Brown
patent: 3155790 (1964-11-01), Lemonnier
patent: 3459914 (1969-08-01), Gustavson
patent: 3483343 (1969-12-01), Heft
patent: 3555471 (1971-01-01), Mitskevich et al.
patent: 3962658 (1976-06-01), Zunft et al.
patent: 4258345 (1981-03-01), Malick

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