Contactor apparatus

Details Contactor apparatus Contactor apparatus

1987-10-28

1989-08-01

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Contact-actuating means

335 16, H01H 300

Patent

active

048536628

ABSTRACT:
A limiting-current type contactor apparatus for providing stable current-limiting breaking properties with less reduction of the breaking speed due to magnetic repulsion force is provided with a movable contactor arm supported by a contactor support fixed to a switching shaft and a fixed contactor. The fixed contactor has a first conductor portion and a shaft for pivotally mounting the movable contactor. The movable contactor has a second conductor portion spaced opposite and apart from the first conductor portion, thereby forming an arcuate gap of uniform and small width between the first and second conductor portions and concentric with the shaft. A flexible conductor is connected between the first and second conductor portions for reversing the direction of current flow between first conductor portion and the movable contactor arm.

REFERENCES:
patent: 4346357 (1982-08-01), Kussy et al.
patent: 4635012 (1987-01-01), Kohanawa et al.

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