Auxiliary contact

Details Auxiliary contact Auxiliary contact

1986-01-10

1987-05-05

Pellinen, A. D.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

335132, 335198, H01H 902

Patent

active

046635025

ABSTRACT:
An auxiliary contact for field or factory addition to a contactor or motor starter of the type including a housing wall and an operator element movable between alternate positions upon activation. The auxiliary contact includes a body of insulating material adapted to be detachably mounted on an outside surface of said housing wall of the contactor adjacent the movable operator element thereof. A fixed electrical contact is mounted in the body and includes an externally accessible connector and a movable electrical contact also mounted in the body, includes an externally accessible connector. The movable contact includes a cam that is positioned to engage the operator element upon movement thereof in order to make and break contact with the fixed contact in response to activation of said operator element. The auxiliary contact includes a system for preselecting a normally open or a normally closed switching function between the fixed and movable contacts and a plurality of pairs of independently preselectable contacts may be provided in a single auxiliary contact adapted to be mounted on the housing wall of a contactor.

REFERENCES:
patent: 2413130 (1946-12-01), Aitken
patent: 4356368 (1982-10-01), Osika

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