ABB THQB1120 20A 1-Pole Bolt-On Circuit Breaker – Bolt-On – 120/240V

The ABB THQB1120 20 Amp single-pole bolt-on circuit breaker provides dependable thermal-magnetic protection for residential and commercial electrical systems. Built on the Q-Line platform, it delivers reliable overload and short-circuit protection with a 10 kAIC interrupt rating. Designed for bolt-on installation, this breaker is HACR and SWD rated, making it suitable for HVAC and switching-duty applications.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 120V AC, 120/240V AC
• Interrupting Capacity: 10 kAIC
• Poles: 1-Pole

Key Specifications

• Breaker Type: Q-Line Bolt-On Circuit Breaker
• Frame Type: Q-Line
• Trip Function: LI (Long-time, Instantaneous)
• Trip Style: Non-Interchangeable
• Mounting Type: Bolt-On
• Application: Residential and commercial
• Suitable for Reverse Feed: Yes
• Special Markings: HACR, SWD
• Product Line: TEY Q-Line (Bolt-On)

Technical Specifications

• Wire Range: 14–8 kcmil / 12–8 kcmil (Cu/Al)
• Long Time Setting: Fixed
• Instantaneous Setting: Fixed
• Continuous Current Rating: Standard

Certifications

• UL Listed (File E11592)

Product Data

• • Manufacturer: ABB
  • Brand: ABB
  • Model Number: THQB1120
  • UPC: 783164012187

Returns are easy

You may return items within 30 days of delivery for a refund.

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.