The Square D QO115DFC is a 15A circuit breaker designed with dual function capability, serving as both a Combination Arc Fault Interrupter (CAFI) and a Ground Fault Interrupter (GFI). It is a single-pole breaker with one space in a compact black design under the QO brand. This model is suitable for a voltage range of 101-150V and is commonly used in electrical systems for residential or industrial applications. The QO115DFC offers reliable protection against arc faults and ground faults, ensuring safe operation of electrical circuits.