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