Free shipping on orders over $90

Expedited options are available at checkout.

3 PM shipping cutoff

Orders placed Monday–Friday before 3 PM ship the same day.

Up 24 months warranty.

24 months for NEW and 12 months for RECONDITIONED.

30-day returns

For unopened, unused items in original packaging. Contact us before returning.

ABB THQL1120 20A 1-pole Q-Line plug-in circuit breaker
ABB THQL1120 20A 1-pole Q-Line plug-in circuit breaker

Disclaimer: Actual product colors may vary slightly from the images shown due to different monitor settings and lighting conditions during photo shoots.

ABB

ABB THQL1120 20A 1-Pole 120/240V 10kA Q-Line Plug-In Circuit Breaker

Out of stock
SKU: THQL1120 NEW
(0)
$5.99
Condition
  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • USDC
  • Visa

Overview

The ABB THQL1120 is a 20 Amp, single-pole Q-Line plug-in thermal-magnetic circuit breaker for compatible ABB/GE load centers and lighting panels. It provides fixed long-time and instantaneous overcurrent protection with a 10 kA interrupting rating at 120/240 VAC.

Key Features

  • Protection: Thermal-magnetic overload and short-circuit protection with fixed long-time and instantaneous trip functions.
  • Installation: One-inch Q-Line plug-in construction with a box-lug screw-clamp load terminal.
  • Compatibility: For compatible ABB/GE equipment that specifically lists Q-Line THQL breakers; verify the panel label before installation.
  • Performance: 20 Amp, single-pole operation at 120/240 VAC with a 10 kA interrupting rating.

Specifications

  • Manufacturer: ABB
  • Model: THQL1120
  • Series / Type: Q-Line / THQL
  • Current Rating: 20 A
  • Poles / Phase: 1 pole, single phase
  • Voltage Rating: 120/240 VAC
  • Interrupting Rating: 10 kAIC at 120 V and 120/240 V AC
  • Mounting: Plug-in
  • Trip: Thermal magnetic, LI, fixed long-time and instantaneous, non-interchangeable
  • Load-Side Wire Range: #14-8 AWG copper or #12-8 AWG aluminum
  • Terminal: Box lug / screw clamp
  • Markings: HACR and SWD
  • UL File: E11592

Common Applications

  • Standard 20 A residential branch-circuit protection.
  • Light-commercial circuits in compatible ABB/GE Q-Line equipment.
  • Lighting and receptacle circuits within the breaker and conductor ratings.
  • Replacement work requiring exact THQL1120 compatibility.

Free shipping on eligible orders over $90. Our shipping cutoff is 3 PM, Monday–Friday. Available shipping services and delivery estimates are shown at checkout.

See our shipping policy for eligibility and exclusions. Orders are delivered; our warehouse is closed to the public.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.

Product Specifications

  • Brand ABB
  • Series Q-Line
  • Model THQL1120
  • Breaker Type Thermal Magnetic and Regular Breaker
  • Frame Type Q-Line
  • Phase 1 Phase
  • Pole 1 Pole
  • Voltage 120/240V
  • Amp 20
  • AIC Interrupting Rating 10 kA
  • Terminal Connection Screw Clamp
  • Minimum Wire Gauge 14 AWG
  • Maximum Wire Gauge 8 AWG
  • Mounting Type Plug-ON,IN
  • Temperature Rating 104°F (40°C)
  • Certifications UL 489, HACR Rated, and SWD Rated