Square D HOM120CAFI Homeline™ One-Pole 20 Amp Combination Arc Fault Miniature Circuit Breaker-On Mount 10KA 120 Volt ACSquare D Homeline 1 Pole Combination arc fault miniature circuit breaker features thermal magnetic molded case for extra protection. Circuit breaker has current rating of 20 Amps, voltage rating of 120 VAC and interrupt rating of 10 kilo Amps. It accommodates copper aluminum wire of range 14 8 AWG and copper wire of range 14 10 AWG. The 1 Phase circuit breaker measures 1 Inch x 2. 980 Inch x 3. 130 Inch and provides long time instantaneous trip