Patent ID: 6100777
Filing Date: 2000-08-08
Classification: H01H

Abstract:
A multi pole circuit interrupter device, comprising:a housing;operating mechanism means disposed within said housing;multi pole separable contact means disposed within said housing in cooperation with said operating mechanism means for being opened by said operating mechanism means;trip unit means disposed within said housing in cooperation with said operating mechanism means for actuating said operating mechanism means for opening said separable contact means;first movable trip bar means disposed within said trip unit means for moving in a first direction in response to the flow of a predetermined current in one pole of said multi pole separable contact means;second movable trip bar means disposed within said trip unit means for moving in said first direction in response to the flow of a predetermined current in another pole of said multi pole separable contact means; andsaid first movable trip bar means and said second movable trip bar means abutting for causing said second movable trip bar means to be moved by the movement of said first movable trip bar means in said first direction, but not for causing said first movable trip bar means to be moved by the movement of said second movable trip bar means in said first direction.