Connecticut Electric UBITB115C UL Classified Circuit Breaker, 1-Pole 15-Amp 1 Pole, 15 Amp Type UBITBC is UL Classified for use in Challenger, General Electric, Murray, Siemens, Thomas & Betts and Westinghouse load centers Requires one 1-inch space Direct replacement for BR115, C115, MP115, Q115, THQL1115, or TB115