Patent ID: 6838962
Filing Date: 2005-01-04
Classification: H01H

Abstract:
1. A molded case circuit breaker comprising: a molded case including a main cover; a first terminal and a second terminal inserted in the case; a first contact electrically coupled to the first terminal; a second contact electrically coupled to the second terminal; an operating mechanism having a pivoting member moveable between an ON position, an OFF position and a TRIPPED position, wherein the pivoting member is coupled to the second contact; a trip unit coupled to the second contact and the second terminal with the trip unit in selective operative contact with the operating mechanism; an electric arc extinguishing apparatus mounted in the housing and positioned in confronting relation with the first and second contacts; and, a wire lug/arc vent barrier coupled to the terminal, the barrier comprising: a body having: a first end including a tang, a second end including an elongated finger, wherein the tang and finger are configured to engage the housing, and a middle portion between the first end and the second end defining a concave space configured to receive the wire lug and is configured to direct arc gases around and away from the wire lug, with an opening at each end of the middle portion, wherein the body is mounted in the housing.