Technical Specification Item Molded Case Circuit Breaker Amps 300 AC Voltage Rating 600VAC Max. AIR Rating 42kA at 240VAC For Use With I Line Panelboards Series LA High Amp Trip Setting 3000A Low Amp Trip Setting 1500A Circuit Breaker Type Standard Number of Poles 2 DC Voltage Rating 250VDC Terminal Connection Lug Trip Type Thermal Magnetic Phase 1 Instantaneous Trip Adjustable Phase Connection BC Frame Size 400A/LA Circuit Breaker Mounting Style Plug In Panelboard Height 11 Width 6 Depth 5.8 Min. Wire Size 1 AWG (Al) Max. Wire Size 600 MCM (Cu), 250 MCM (Al) Circuit Breaker Actuator Toggle Standards UL Listed, CSA Certified Compliance and Restrictions Hazardous material - General This listing is for each.