ABB THQL1120AF2A 20 Amp 1 in. Single Pole Combination Arc Fault Circuit Breaker (THQL1120AF2A)

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About This Product

This 20 Amp, 1 in. single-pole combination arc fault circuit breaker is designed to detect arc faults in both parallel and series wiring. It features a dedicated calibration screw that is securely cemented to prevent shifting, ensuring stable calibration and reliable performance. A tin-plated copper stab provides a permanent, corrosion-resistant electrical connection, while the heat-resistant thermoset case delivers enhanced stability and structural integrity.

Highlights

• Detects and mitigates arc faults in both parallel and series wiring

• Tin-plated copper stab ensures a reliable, corrosion-resistant connection

• Box-type terminals for secure wiring

• Cemented calibration screw prevents shifting for consistent performance

• Heat-resistant thermoset case provides durability and structural strength

• Trips to the center position for clear indication

• Meets NEMA standards

• ANSI certified and CSA and UL listed

Dimensions

Details