Square D QO115PAF (also listed as QO115PCAFI) is a 1‑pole, 15‑amp AFCI plug‑on circuit breaker designed for Square D QO panelboards. It provides arc‑fault protection for residential branch circuits by interrupting power when an arcing fault is detected. This plug‑on breaker is intended for use in compatible QO‑series panels on 1P 15A circuits, delivering standard AFCI protection for everyday wiring installations.
