ABB THQB2120 20A 2-Pole Bolt-On Circuit Breaker – Bolt-On – 120/240V

The ABB THQB2120 20 Amp two-pole bolt-on circuit breaker delivers reliable thermal-magnetic protection for residential and commercial electrical systems. Built on the Q-Line platform, it provides dependable overload and short-circuit protection with a 10 kAIC interrupt rating. HACR rated and designed for bolt-on installation, this breaker is well suited for load centers and lighting panels requiring robust performance.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 120V AC, 120/240V AC
• Interrupting Capacity: 10 kAIC
• Poles: 2-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
• Product Line: TEY Q-Line (Bolt-On)
• GSA Compliance: Yes

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: THQB2120
  • UPC: 783164012248