BR340 - Eaton - 40 Amp Circuit Breaker Type_ QT 1 Pole circuit breaker

1 Pole circuit breaker

QO220 - Square D QO 2 Pole 20 Amp Breaker

BR125 - Eaton Cutler-Hammer Breaker

BR390 is a 3 Pole

Number Of Poles: Single-pole

BR340 - Eaton - 40 Amp Circuit Breaker Type_ QT 1 Pole circuit breakerBR340 Eaton Cutler Hammer Breaker BR340 is a 3 Pole, 40 Amp, Plug In replacement breaker for Eaton Cutler Hammer CPL CPM, Challenger PL PM PMF, Westinghouse, GL, GLC, WL, WIB, and Novaline panels. One space required per pole. Model Number: BR340 For use in Eaton, Cutler Hammer, Bryant, Westinghouse, Challenger, and Novaline Loadcentres Family: BR Plug in breaker 3 pole 40 Amp 240V Connection: Plug in Dimensions (H x W x L): 3" x 3" x 3" 3 Phase 10,000