Electrical switching apparatus with contact finger guide

Details Electrical switching apparatus with contact finger guide Electrical switching apparatus with contact finger guide

H - Electricity

01

H

H01H 3/02 (2006.01) H01H 1/22 (2006.01) H01H 9/38 (2006.01)

Patent

CA 2271239

A contact guide member extends transversely to the contact fingers on the contact carrier of electrical switching apparatus and has spaced openings through which the contact fingers extend and are held in spaced relation. The contact finger guide member is positioned to isolate the arc toes adjacent the free ends of the contact fingers from the main contacts and the contact springs in order to protect the latter items from the arc gases and debris generated during arcing. The openings in the contact finger guide member are elongated to permit differentially pivoting of the contact fingers, but not axial movement. The contact finger guide member slides in a pocket molded in the end face of the contact carrier and is captured by and moves with the contact fingers.

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