Molded Case Circuit Breaker 400 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 4 000 A Low Amp Trip Setting 2 000 A Circuit Breaker Type Standard Number of Poles 3 DC Voltage Rating 250V DC Terminal Connection Lug Trip Type Thermal Magnetic Phase Three Instantaneous Trip Adjustable Phase Connection ABC