ABB THQL1120DFS Circuit Breaker • 20A 1-Pole 120/240V • Q-Line Plug-in • Thermal Magnetic Trip • Quick-Make/Quick-Break Mechanism • Easy Trip Indication • Residential & Commercial • UL Listed

ABB THQL1120DFS – 20A 1-Pole Q-Line Plug-In Circuit BreakerThe ABB THQL1120DFS is a 20-amp, 1-pole thermal-magnetic circuit breaker engineered for use in residential and commercial electrical panels. This Q-Line breaker is compact at one inch per pole and features a plug-in design for quick and easy installation.Designed for reliable overcurrent protection, it combines thermal and magnetic tripping mechanisms to safeguard circuits from both overloads and short circuits. The quick-make/quick-break function ensures fast and safe operation, while a visible trip indicator simplifies troubleshooting.Compatible with ABB Q-Line load centers, the THQL1120DFS is suitable for new installations or upgrades. It also supports HID applications and optional accessories like auxiliary contacts or shunt trip mechanisms for extended functionality.UL listed and trusted by professionals, this breaker delivers durable performance and peace of mind for residential and light commercial power systems. Choose ABB for advanced circuit protection solutions.

• TRUSTED 20A PROTECTION – Designed for safe overcurrent protection in both home and commercial environments, this 20 amp 1-pole breaker supports a wide variety of electrical circuits and panel installations.
• Q-LINE COMPATIBILITY – Plug-in design for seamless integration into ABB Q-Line load centers. One-inch width per pole ensures space efficiency with easy replacement and upgrade capability.
• FAST AND RELIABLE TRIP RESPONSE – Combines thermal and magnetic trip functions for protection against both overloads and short circuits. Quick-make/quick-break design ensures safe and reliable switching.
• USER-FRIENDLY INSTALLATION – Features visible trip indication and plug-in setup for quick diagnostics and simplified maintenance. Optional accessories include auxiliary contact and shunt trip compatibility.
• BUILT FOR PROFESSIONAL APPLICATIONS – UL listed and suitable for HID usage, this circuit breaker supports robust electrical requirements with tested safety for residential and light commercial use.