Square D by Schneider Electric Square D – QO115DFC 15 Amp Single-Pole Dual Function (CAFCI and GFCI) Circuit Breaker

Description

Product Overview

The Square D QO115DFC 15 Amp single‑pole circuit breaker is engineered to deliver both arc‑fault (CAFCI) and ground‑fault (GFCI) protection in a single compact unit. Designed for residential load centers, it meets ANSI and UL standards, ensuring compliance with the latest electrical codes. Its plug‑on design eliminates the need for tools or complex wiring, allowing electricians and DIY homeowners to install the breaker quickly and securely. Rated for 120 VAC and a breaking capacity of 10,000 AIR, the breaker can safely interrupt high‑current fault events while preserving the integrity of downstream circuits. The robust construction uses heat‑resistant materials and a metal enclosure that resists corrosion, providing long‑term durability even in demanding environments such as kitchens, bathrooms, and outdoor panels. The QO115DFC model integrates advanced sensing technology that continuously monitors the electrical waveform for signatures of arcing and ground leakage. When an unsafe condition is detected, the breaker trips within milliseconds, protecting people from electric shock and preventing fire hazards caused by undetected arcs. Because the CAFCI and GFCI functions are combined, a single breaker replaces the need for separate protective devices, simplifying panel layouts and freeing up valuable breaker slots. The breaker’s clear labeling and color‑coded terminals make identification straightforward, reducing the chance of installation errors. Compatibility with existing Square D QO load centers means that the breaker fits seamlessly into panels that already use the QO series, preserving the aesthetic and functional consistency of the electrical system.

Usage

The dual‑function breaker is ideal for protecting circuits that serve moisture‑prone areas such as kitchens, laundry rooms, bathrooms, and garages. Homeowners installing new countertop appliances, dishwashers, or electric vehicle chargers can rely on the QO115DFC to detect both ground‑fault currents and dangerous arcing conditions. In addition, the breaker is suitable for protecting dedicated circuits for home theater equipment, HVAC units, and outdoor lighting where both shock protection and arc‑fault detection are critical. Its compact size allows it to be used in panels with limited space, and the plug‑on mechanism ensures that replacement or upgrade can be performed without shutting down the entire panel, minimizing downtime during renovations or repairs. Because the breaker conforms to the latest NEC requirements for AFCI and GFCI protection, electricians can confidently specify it for new construction or remodel projects that demand code‑compliant safety solutions. The breaker’s 15 Amp rating matches the typical load of many residential circuits, providing sufficient capacity for lighting, small appliances, and dedicated outlets while still offering the high‑level protection required by modern building standards. Its UL listing gives assurance that the product has undergone rigorous testing for performance, endurance, and environmental resistance, making it a reliable choice for both new installations and retrofits in older homes seeking upgraded protection.

Why Choose Us

Choosing the Square D QO115DFC means selecting a product backed by Schneider Electric’s decades of expertise in electrical distribution. The company’s commitment to quality is reflected in the breaker’s rigorous testing, which includes high‑current fault simulations, temperature cycling, and mechanical endurance trials. This ensures that the breaker will perform reliably over its service life, reducing the likelihood of premature failure that could compromise safety. Additionally, Schneider Electric provides comprehensive technical support, detailed installation manuals, and a responsive customer service team that can assist with any questions or concerns, giving installers confidence that they have a trusted partner throughout the project. The breaker’s design also emphasizes ease of maintenance. The plug‑on feature allows for rapid removal and replacement, which is especially valuable in commercial settings where panel access time translates directly into operational costs. The clear labeling and standardized dimensions mean that inventory management is simplified, and the breaker can be stocked alongside other QO series components without the need for separate storage solutions. Moreover, the product’s compliance with both CAFCI and GFCI standards eliminates the need for multiple devices, reducing overall system complexity and cost while delivering superior protection for occupants and property.

Technical Specifications

The QO115DFC breaker measures 3 × 3.2 × 0.7 inches and weighs approximately 9.12 ounces, making it easy to handle during installation. It is rated for 15 Amps at 120 VAC, with a short‑circuit breaking capacity of 10,000 Amps Interrupt Rating (AIR). The device is UL listed, ANSI certified, and meets the latest NEC requirements for both AFCI and GFCI protection. It features a plug‑on mounting system compatible with Square D QO load centers, and its terminals are color‑coded for quick identification. The breaker includes a visible trip indicator that shows the status of the device, and the handle can be manually reset after a fault is cleared. All components are constructed from corrosion‑resistant metal and high‑temperature plastics to ensure long‑term reliability in a variety of environmental conditions.

Installation Guide

Before beginning installation, ensure the power to the panel is turned off and verify that the panel is compatible with Square D QO series breakers. Remove the existing breaker by pulling the handle outward and disconnecting any attached wires. Align the QO115DFC breaker with the panel’s bus bar, then push the breaker into the slot until it clicks into place, confirming a secure plug‑on connection. Connect the circuit conductors to the appropriate terminals, making sure to follow the color‑coding and torque specifications provided in the installation manual. After wiring, restore power to the panel and test the breaker by using the built‑in test button to verify both CAFCI and GFCI functions operate correctly. If the breaker trips, investigate the cause, correct any wiring issues, and reset the handle. Proper installation ensures optimal performance and compliance with safety standards.

Safety Certifications

The Square D QO115DFC breaker holds UL listing (UL 489) and complies with ANSI C84.1 standards for voltage ratings. It also meets the requirements of the National Electrical Code (NEC) for both AFCI and GFCI protection, making it suitable for use in new residential construction and retrofit projects. The product has been tested for fire resistance, electrical endurance, and mechanical durability, providing confidence that it will perform reliably under fault conditions. Certification bodies have verified that the breaker’s trip mechanisms respond within the required time frames for both arc‑fault and ground‑fault events, ensuring the highest level of occupant safety.

Key Features

• Combined CAFCI and GFCI protection in one breaker saves panel space and simplifies wiring.
• Plug‑on design enables tool‑free installation and quick replacement, reducing labor time.
• Rated 15 Amp, 120 VAC and 10,000 AIR for reliable interruption of high‑current faults.
• UL listed and ANSI certified, meeting the latest NEC requirements for residential safety.
• Supported by Schneider Electric’s customer service and warranty, providing peace of mind after purchase.

FAQ

Can the QO115DFC be used in existing panels?

Yes, the breaker is compatible with Square D QO load centers, so it can replace older breakers or be added to panels that already use the QO series without any modifications.

What is the difference between CAFCI and GFCI protection?

CAFCI (Combination Arc‑Fault Circuit Interrupter) detects dangerous arcing conditions that can cause fires, while GFCI (Ground‑Fault Circuit Interrupter) detects leakage currents to ground that can cause electric shock. The QO115DFC provides both safeguards in a single device.

How do I know if the breaker has tripped?

The breaker features a visible trip indicator on the front panel. When a fault occurs, the indicator moves to the “tripped” position, and the handle can be reset manually after the issue is resolved.

Is there a warranty or support for this product?

Schneider Electric offers a limited warranty that covers manufacturing defects, and their technical support team is available to assist with installation questions, troubleshooting, and replacement parts.