Molded Case Circuit Breaker 450 A Amps AC Voltage Rating 600V AC Max AIR Rating 18kA at 600V AC For Use With Equipment Gear Series MG High Amp Trip Setting 4 500 A Low Amp Trip Setting 900 A Circuit Breaker Type Standard Number of Poles 2 DC Voltage Rating Not Rated Terminal Connection Box Lug Trip Type Electronic Phase Single Instantaneous Trip Adjustable Phase Connection CA Frame Size 800A/M Circuit Breaker Mounting Style Lug In/Lug Out Height 12.9 in Width 8.3 in