Square D QO115CAFI 15A 1P 120V Circuit Breaker, QO, AFCI, Combination AFCI, Plug-On | AmpState

Meet the Square D QO115CAFI 15A 1P 120V Circuit Breaker—a purpose-built AFCI solution designed for dependable protection in panelboards and load centers. This plug-on, QO-style breaker brings combination arc-fault technology to your most-used circuits, helping to prevent fires caused by arcing while keeping nuisance trips under control.

• Amperage / Type: 15 A, 1-Pole, 120V
• Technology: Combination AFCI (arc-fault circuit interrupter) for both series and parallel arc detection
• Style: QO, Plug-On connection for fast, secure installation
• Application: Suitable for use in panelboards, load centers, and general electrical distribution
• Part Number: QO115CAFI

Why choose this AFCI circuit breaker?

• : The combination AFCI design detects dangerous arcing faults across the circuit, offering proactive protection against electrical fires without requiring multiple devices.
• easy replacement: Plug-On compatibility means quick swaps in compatible QO panels, minimizing Downtime during upgrades or repairs.
• code-ready solution: Ideal for residential electrical projects where AFCI protection is required by code, helping you meet compliance without complexity.
• stocking advantage: This part helps you keep BOMs aligned to the original components, making assemblies and future replacements straightforward.

Ideal use scenarios

• Replacing aging or non-AFCI breakers in existing QO panelboards when safety codes require arc-fault protection.
• Stocking spares for service vans or maintenance rooms to reduce downtime on critical circuits.
• Upgrading living spaces, bedrooms, or home office circuits where arc-fault protection enhances overall safety.

Installation and compatibility notes

Designed for Square D QO panels, the QO115CAFI provides a straightforward Plug-On installation for 120V circuits. Use it on appropriate 1-Pole, 15A branches that require AFCI protection. Always verify that your panelboard accepts QO-series breakers and that the circuit specifics align with the device’s ratings.

Need help matching a part number or confirming compatibility? Message us and we’ll help you verify fit for your panel and project.

Available from AmpState, the QO115CAFI delivers reliable arc-fault protection in a compact, plug-on package designed to fit your standard residential distribution needs while keeping your BOM accurate and ready for future maintenance.