Molded Case Circuit Breaker, 300 A Amps, AC Voltage Rating 600V AC, Max. AIR Rating 42kA at 240V AC, For Use With Busway Plug-In Units, Combination Starters, Industrial Enclosures, Motor Control Centers, Panelboards, Switchboards, Series LAL, High Amp Trip Setting 3,000 A, Low Amp Trip Setting 1,500 A, Circuit Breaker Type Standard, Number of Poles 2, DC Voltage Rating 250V DC, Terminal Connection Lug, Trip Type Thermal Magnetic, Phase Single, Instantaneous Trip Adjustable