Molded Case Circuit Breaker, 250 A Amps, AC Voltage Rating 600V AC, Max. AIR Rating 25kA at 240V AC, For Use With I Line Panelboards, Series JG, High Amp Trip Setting 2,500 A, Low Amp Trip Setting 1,250 A, Circuit Breaker Type Standard, Number of Poles 3, DC Voltage Rating 500V DC, Terminal Connection Line/Load Lug, Trip Type Thermal Magnetic, Phase Three, Instantaneous Trip Instantaneous, Phase Connection ABC, Frame Size 250A/JG, Circuit Breaker Mounting Style I-Line, Height 11.48 in