Eaton circuit breaker, type br, miniature, 120/240 vac, 40 a, 42 ka interrupt, 1 poles, thermal magnetic actuator, 14 - 4 AWG wire, plug on mounting, 1 in spacing. Switching duty rating. Thermal magnetic 40 degrees c. Interchangeable, will replace: Bryant, Westinghouse and Challenger. Type br. 120/240 volt, 10, 000 air. 1 inch per pole.