THQL1120AF2 - 20 Amp Circuit Breaker

THQL1120AF2 - 20 Amp Circuit Breaker

Boost your home or business safety with the THQL1120AF2 Arc Fault Circuit Interrupter (AFCI). This 1‑pole, 20-amp breaker is purpose‑built to sense arc faults and shut them down before they can spark electrical fires. From compact design—just one inch wide per pole—to reliable thermal‑magnetic protection and easy‑read trip indicators, it’s engineered for peak reliability and safety in modern electrical systems. Perfect for both residential load centers and commercial lighting panels, it meets all key safety codes under the 2002 NEC.

Key Features & Benefits

• Advanced Arc‑Fault Protection: Quickly recognizes and interrupts dangerous arc faults, safeguarding your wiring from fire hazards.
• Space‑Saving Design: At only one inch per pole, it fits neatly into tight panel spaces—ideal for compact installations.
• Thermal‑Magnetic Trip Mechanism: Offers consistent operation with fast make/break response for dependable protection.
• Clear Trip Indicator: Easily locates a tripped breaker for quicker diagnostics and service.
• User‑Friendly Installation: The plug‑in format snaps into Q‑Line panels without hassle; swapping or upgrading is fast.
• Expandable Applications: Great for HID lighting setups, and compatible with auxiliary contact and shunt trip accessories.

Technical Specifications

• Amperage: 20 A
• Poles: Single‑pole configuration
• System Voltage: Works with 120 VAC or split‑phase 120/240 VAC systems
• Interrupting Capacity: Rated for 10 kAIC at both 120 VAC and 120/240 VAC
• Trip Design: Non‑interchangeable, LI (long‑time and instantaneous) trip profile
• Special Markings: Includes HACR (Heating, Air Conditioning, Refrigeration) and SWD (Switch Duty) designations
• Reverse‑Feed Able: Yes – adaptable to more panel wiring configurations

Material Compliance & Certifications

• UL‑Listed: Meets UL File #E11592, ensuring top-tier safety performance and quality
• GSA Certified: Approved under General Services Administration standards for government‑grade installations

Where It Works Best

• This breaker shines in environments where arc‑fault protection is non‑negotiable—homes, apartments, offices, and commercial facilities alike. The slender footprint makes it ideal for panels with limited space or high circuit density. It’s also well suited for HID lighting systems and setups that might require auxiliary or shunt trip add‑ons for increased control and safety.