ABB Q-Line THQL1120DFP 20A Dual Function AFCI/GFCI Circuit Breaker – 120V Plug-In

Overview

The ABB Q-Line THQL1120DFP is a 20A single-pole plug-in circuit breaker that combines Arc Fault (AFCI) and Ground Fault (GFCI) protection in one compact device. Designed for 120V circuits, it is suitable for both residential and light commercial panels, helping you add fault detection without sacrificing panel space or layout clarity.

Why this breaker stands out

• Advanced safety protection: Dual-function AFCI and GFCI protection expand fault detection in a single, easy-to-manage device.
• Robust and durable design: Built with high-quality materials and engineered to meet strict industry standards for dependable performance over time.
• Easy installation: User-friendly layout and clear instructions support straightforward setup for professionals and DIY enthusiasts alike.
• Q-Line compact design: One-inch-wide per pole, ideal for tight panels and crowded installations, with quick-make/quick-break operation and clear trip indication.
• ABB reliability and heritage: ABB's leadership in electrical solutions, including GE branded products now under license, reflects a continued commitment to safety and quality.

Real-world use scenarios

• Upgrade living spaces, kitchens, or home offices with AFCI/GFCI protection to enhance circuit safety in everyday rooms.
• Retrofit in compact panels where space is at a premium, ensuring robust protection without bulky equipment.

Technical details and compatibility

Specifications include 20A, single-pole, 120 VAC, plug-in mount, and a design that emphasizes quick trip indication. For warranty details and proper compatibility, verify the labeling and product certifications on the official page.

Brand promise

This breaker embodies ABBs commitment to safety, reliability, and efficient electrical solutions, reflecting the companys evolution since acquiring GE Industrial Solutions and continuing to offer trusted, standards-driven products for modern electrical systems.