Siemens Circuit Breaker with Insta-Wire Type MP-T 15 A 1-Pole 120/240 V Non-Interchangeable Trip

One 1 in space per pole. Will replace American Switch, Westinghouse Type BR, Bryant, Challenger, Sylvania, Crouse-Hinds, Murray, Frank Adams, General Electric (Full size only), General Switch, I-TE, Gould, Montgomery Ward and Sears. UL listed, SWD rated. 120 VAC fluorescent lighting.