Molded Case Circuit Breaker, 250 A Amps, AC Voltage Rating 240V AC, Max. AIR Rating 25kA at 120/240V AC, For Use With Busway Plug-In Units, Combination Starters, Industrial Enclosures, Motor Control Centers, Panelboards, Switchboards, Series Q4, 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 Not Rated, Terminal Connection Lug, Trip Type Thermal Magnetic, Phase Three, Instantaneous Trip Adjustable