Two piece molded arc chute

In an improved circuit breaker of the type incorporating an arc chute, the arc chute including a wrapper and a plurality of arc plates, the improvement comprising:

• the wrapper being a conjoined two-piece member including a left half and a right half, the wrapper being generally U-shaped and having an inner surface and an outer surfaces, the wrapper being formed with a plurality of grooves extending into the wrapper from the inner surface;
• the arc plates being disposed in the grooves;
• wherein, the grooves are in each of the left and right halves and are at least partially in confronting relation, and the arc plates being captured between the left and right halves and;
• wherein, one of the left and right halves is generally L-shaped.

An arc chute wrapper, comprising:

• a generally U-shaped body having a plurality of grooves formed therein, at least one end of each groove being blind, the grooves being at least partially in confronting relation and being structured to at least partially receive the arc plates therein;
• wherein, the U-shaped body is a conjoined two-part member having a left half and a right half, the grooves being in each of the left and right halves;
• and
• wherein, at least one of the left and right halves is generally L-shaped.