Cutler-Hammer Molded Case Circuit Breaker, Type HJD High Interrupting Capacity, Series: C Series, 600 VAC, 250 A, 65 kA Interrupt, J Frame, Long Time/Instantaneous Trip, 3 Poles, 3-Phase, Line/Load Lug, 4 AWG to 350 kcmil Wire, Feed-Through Mount, 40 deg C, 10 in H x 4.13 in W x 4.06 in D