Schneider Electric's Square D QO120PAFGF is a 1-pole, 20-amp dual-function plug-on circuit breaker that provides overcurrent protection with arc-fault (AF) and ground-fault (GF) sensing. It belongs to the QO family and installs as a plug-on device in compatible electrical panels to interrupt current on fault conditions. This AF/GF dual-function breaker is designed for use on standard 1-pole, 20-amp circuits, delivering simultaneous protection against arc faults and ground faults where safety is paramount.
