Sentron™ Molded Case Circuit Breaker, 600 VAC/250 VDC, 400 A, 50/60 Hz, 25 kA Interrupt, JD Frame, Thermal Magnetic Trip, 2000 to 4000 A Trip, 3 Poles, 3-Phase, Line/Load Lug, 3/0 AWG to 500 kcmil Wire, Bolt-On Mount, 40 deg C, 7 in L x 9 in W x 15 in H