Molded Case Circuit Breaker, 40 A Amps, AC Voltage Rating 690V AC, Max. AIR Rating 100kA at 120/240V AC, For Use With Electrical Distribution Equipment, Industrial Control Panels, Series BJA, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating Not Rated, Terminal Connection Al Mechanical Lug OFF End, I-Line ON End, Trip Type Thermal Magnetic, Phase Three, Instantaneous Trip Fixed, Phase Connection ABC, Frame Size 125A/BJ, Circuit Breaker Mounting Style I-Line, Height 5.39 in