Square D QO120CAFI QO 20A Arc Fault Breaker

QO, 20A, Single Pole, Combo Arc Fault Circuit Breaker, Provides Standard Overload and Short Circuit Protection, 3/4″ Format For Us In QO Brand Load Centers, 120/240 Vac, 10,000 A.I.R., UL/CSA Listed, Meets 2008 National Electrical Code For Series and Parallel Arc Fault Protection.