Molded Case Circuit Breaker 40 A Amps AC Voltage Rating 600V AC Max AIR Rating 25kA at 240V AC For Use With - Series HD High Amp Trip Setting 850 A Low Amp Trip Setting 400 A Circuit Breaker Type Standard Number of Poles 2 DC Voltage Rating 250V DC Terminal Connection Line/Load Lug Trip Type Thermal Magnetic Phase Single Instantaneous Trip Fixed Phase Connection Not Applicable Frame Size 150A/HD Circuit Breaker Mounting Style Free Standing Height 6.4 in Width 2.74 in