ABB Q-Line THQL21100P two-pole breaker front view, compact reliable protection
ABB Q-Line THQL21100P installed in a panel for safe electrical distribution
ABB Q-Line THQL21100P compact design optimizes panel space and ease of use
ABB Q-Line THQL21100P two-pole breaker front view, compact reliable protection
ABB Q-Line THQL21100P installed in a panel for safe electrical distribution
ABB Q-Line THQL21100P compact design optimizes panel space and ease of use

ABB Q-Line THQL21100P 100A Two-Pole Circuit Breaker – 120/240V

Overview The ABB Q-Line THQL21100P is a 100 amp, two-pole circuit breaker designed for demanding residential and...
Vendor: ABB
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£71.29
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ABB Q-Line THQL21100P two-pole breaker front view, compact reliable protection

ABB Q-Line THQL21100P 100A Two-Pole Circuit Breaker – 120/240V

£71.29
ABB Q-Line THQL21100P two-pole breaker front view, compact reliable protection
ABB Q-Line THQL21100P installed in a panel for safe electrical distribution
ABB Q-Line THQL21100P compact design optimizes panel space and ease of use

ABB Q-Line THQL21100P 100A Two-Pole Circuit Breaker – 120/240V

£71.29
Description
Description
x

Overview

The ABB Q-Line THQL21100P is a 100 amp, two-pole circuit breaker designed for demanding residential and light-commercial panels. As a ground fault circuit interrupter (GFCI) device, it helps guard against overloads and short circuits, delivering dependable protection for your electrical system without sacrificing ease of use.

Key benefits at a glance

  • Powerful protection: 100A, 2-pole capacity supports robust circuit protection for larger loads.
  • Ground fault protection: built-in GFCI to reduce risk in wet or risky areas and improve safety margins.
  • Easy installation and compatibility: fits THQL load centers, with a compact 1-inch per pole width for dense panels, plus quick-make/quick-break operation for faster wiring and testing.
  • Durable construction: high-quality materials and safety-compliant design ensure reliable operation over time.
  • Q-Line technology: plug-in design with standard trip bars and a clear trip indication to quickly verify status.
  • Trusted brand lineage: ABB carries forward GE Industrial Solutions’ legacy of safety and quality in electrical distribution.

Real-world use cases

Upgrade a home panel to add reliable protection for larger circuits, or populate a commercial panel in areas requiring dependable load distribution. The compact profile helps installers manage space in crowded panels, basements, or garages.

Authenticity and safety guidance

  • Look for ABB, GE by ABB, or GE branding and certification marks (UL, IC, Intertek) to verify authenticity.
  • Verify compatibility with THQL load centers and ensure the installation complies with NEC requirements for ground fault protection in applicable spaces.

Warranty and support

For warranty details, contact the manufacturer’s customer support or visit official ABB resources for guidance specific to your region.

FAQ

Q: What is the ABB Q-Line THQL21100P used for?

A: A 100A, two-pole circuit breaker for residential or light commercial panels, protecting circuits from overloads and short circuits.

Q: Is this breaker compatible with THQL load centers and outdoor installations?

A: Yes, it's designed for THQL panels and supports required ground fault protection in applicable spaces.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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