Contactor having self-protection means against the effect of the

Details Contactor having self-protection means against the effect of the Contactor having self-protection means against the effect of the

1982-11-30

1985-04-23

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335 16, H01H 7708

Patent

active

045132704

ABSTRACT:
A contactor capable of having a very high breaking power comprises a movable contact carrier bridge (3) having a central part in the form of a blade (3c) and conducting J-shaped pieces (2a-2b) supporting fixed contacts. A non-magnetic blade bent in the form of a U is mounted slidable inside a hollow movable insulating contact holder (1) and guides and holds at its upper end a magnetic plate (8) cooperating with said blade (3c) and forming an air-gap with another U-shaped magnetic piece (6), disposed between the legs of the bent blade (5) and integral (at 7) with the contact holder (1). A contact pressure spring (4) bears on the basis of the U-shaped magnetic piece (6) and on the bottom of the bent blade (5).

REFERENCES:
patent: 2679561 (1954-05-01), Thompson
patent: 2841670 (1958-07-01), Peter
patent: 3263042 (1966-07-01), Dyer et al.
patent: 3887888 (1975-06-01), Bayles et al.

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