Siemens Low Voltage Residential Circuit Breakers Miniature Circuit Breakers AFCI - Combo AFCI 2-pole plug-on 10k and 22k are Circuit Protection Load Center Mains, Feeders, and Miniature Circuit Breakers. Type: Combination Type AFCI Standard: UL Listed Voltage Rating: 120/240 Amperage Rating: 15 Number Of Poles: 2 Operating Temperature: 40