Molded Case Circuit Breaker, 20 A Amps, AC Voltage Rating 277V AC, Max. AIR Rating 100kA at 240V AC, For Use With Allen Bradley MCC, Eaton MCC Eaton, Rockwell Automation Enclosed Control, Switchboard, Westinghouse, Series HFD, High Amp Trip Setting 150 A, Low Amp Trip Setting 15 A, Circuit Breaker Type Standard, Number of Poles 1, DC Voltage Rating 125V DC, Terminal Connection Load Side Lug, Trip Type Thermal Magnetic, Phase Single, Instantaneous Trip Fixed, Phase Connection AB