Square D™ QO™ and QOB Miniature Circuit Breakers, QO120CAFI, come in plug-in mounted versions and in a complete range of amperages and interrupting ranges to fit into various QO distribution panels. Equipped with a Combination ground and Arc-fault interrupter (Pigtail Neutral). UL listed CSA certified This 1 pole QO circuit breaker is rated at 20A at 120/240VAC. This unit provides 10kA breaking capacity and plug-in mounting. A full line of features and factory-installed accessories are also available such as shunt trips, auxiliary switches and alarm switches. This product includes a combination arc fault with a pigtail. QO circuit breakers are UL Listed under UL File E84967 and are CSA Certified under CSA Master Contract 153555