Schneider Electric’s Square D QO120CAFIC Arc Fault Circuit Breaker is a 20-amp combination arc-fault breaker in the QO family. The CAFI designation identifies it as a combination arc-fault circuit interrupter, designed to detect arcing faults and trip to help prevent electrical fires while providing overcurrent protection for connected circuits. This QO-series device is designed for use in compatible Square D QO panels, delivering reliable arc-fault sensing and safe current interruption in electrical systems that require AFCI protection.
