Square D by Schneider Electric QO Plug-On Neutral 20 Amp Single-Pole Dual Function (CAFCI and GFCI) Circuit Breaker QO, 20A Single Pole Circuit Breaker 1 Space Per Pole Plug On Neutral Dual Function Circuit Breaker Combination Arc Fault Circuit Interrupters CAFI, 120V, Bulk QO 20 Amp single-pole plug-on-neutral dual function (CAFCI and GFCI) circuit breaker Innovative neutral connection design leads to fewer connections and faster installation, no pigtails which frees up gutter space Compatible with QO plug-on neutral load centers only Rated 120 VAC and 10,000 AIR ANSI certified and UL listed