Hazardous Location Circuit Breaker, Number of Poles 3, 150 A Amps, AC Voltage Rating 240V AC, Max. AIR Rating 65kA at 240V AC, Standard Circuit Breaker Type, Frame Size 150/FD, Circuit Breaker Actuator Non-Interchangeable Trip, Circuit Breaker Included Cutler-Hammer, DC Voltage Rating 125/250V DC, Box Lug Terminal Connection, Min. Wire Size 4 AWG, Max. Wire Size 350 MCM, Housing Material Copper-Free Aluminum, Enclosure Rating NEMA 4, 4X, Length 25.13 in, Width 16 in, Depth 9.59 in