Protective switching apparatus with remotely controlled opening

Details Protective switching apparatus with remotely controlled opening Protective switching apparatus with remotely controlled opening

1988-02-10

1989-08-08

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335 20, H01H 7500

Patent

active

048556980

ABSTRACT:
A protective switching apparatus with remote controlled opening and closing is provided including a tripping mechanism connected to an assembly comprising at least two fixed contacts and two mobile contacts and to a magnetic and/or thermal trip; a resetting member and an electromagnet having a movable element and to a member for driving a least one pseudo-fixed or mobile contact. The mobile contacts are carried by a bridge having a plane of symmetry X--X and the tripping mechanism extends in the vicinity of the plane of symmetry X--X. The electromagnet and the trip are housed in the case on each side of the tripping mechanism in a direction perpendicular to the plane of symmetry.

REFERENCES:
patent: 4164719 (1979-08-01), Young et al.
patent: 4725794 (1988-02-01), Bratkowski et al.

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