Circuit Breaker, Plug In, AIR Rating 10kA, Ground-Fault Circuit Interrupter (Class A - 5mA) Circuit Breaker Type, Number of Poles 1, Voltage 120VAC, 20 Amps, Single Phase, Any Phase Connection, Min Wire Size 14 AWG, Max Wire Size 8 AWG, Length 2.88 In, Width 1.00 In, Depth 2.38 In, Box Lug Terminal Connection, For Use With Siemens Load Centers, Frame Size 125 Amp/QP, High Amp Trip Setting 20 Fixed, Standards UL/ CSA