EATON Corporation Eaton Br240 Double Pole Interchangeable Circuit Breaker, 120/240V, 40-Amp, Black
Plug-In replacement breaker for Challenger PL/PM/PMF, Westinghouse, GL, GLC, WL, WIB, Novaline and Cutler-Hammer CPL/CPM Panels. One space required per pole, 120/240 volts AC, 10,000 amperes.