Square D™ MGP36400 80% Rated Molded Case Circuit Breaker, 600 VAC, 400 A, 65 kA at 240 VAC/35 kA at 480 VAC/18 kA at 600 VAC Interrupt, 3 Poles, Electronic Basic ET 1.0 LI Trip

Square D™ PowerPact™ Molded Case Circuit Breaker, 80% Rated, 600 VAC, 400 A, 50/60 Hz Frequency, 65 kA at 240 VAC/35 kA at 480 VAC/18 kA at 600 VAC Interrupt, M Frame Frame, Electronic Basic ET 1.0 LI Trip, 800 to 4000 A Trip, 3 Pole, 3 ph, Line Nut/Load Lug Connection, 3/0 AWG to 500 kcmil Al/Cu Wire, NEMA AB1 Enclosure, Unit Mounting, 104 deg F, 8.1 in L x 8.3 in W x 12.8 in H Dimensions