Siemens Q240 Circuit Breaker, Mini, 40 A, 2 -Pole, 120/240 V, Fixed Trip, Plug Mounting

Molded case with non-interchangeable trip. 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. UL listed. HACR rated. 120/240 VAC; 10,000 AIR. 1 in per pole (2 in total).