Complete, unenclosed, molded case breaker with non-interchangeable trip. Takes the place of 2 single pole breakers in 1" of space. Wire range: CU fron #14 to # 8, AI from #12 to #6. Will replace American Switch, Westinghouse Type BR, Bryant, Challenger, Sylvania, Crouse-Hinds, Murray, Frank Adams, General Electric (full size only), General Switch, I-T-E, Gould, Montgomery Ward and Sears. HACR rated. 120/240 volt AC; 10,000 AIR.