ABB / General ElectricTHQL2140GF1
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Free Shipping Over $99
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ABB / General Electric THQL2140GFT GFCI Miniature Circuit Breaker
- 40A
- 2 Pole
- Plug-On
ABB / General Electric
THQL2140GFT
GFCI Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THQL2140GFT
Quantity
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ABB / General Electric THQL2140GFT - 40A GFCI Miniature Circuit Breaker
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Description
Delivering essential Class A 5mA ground fault protection, this 40-amp breaker ensures compliance with NEC requirements for wet or damp locations. It features internal common trip mechanisms and self-test capabilities to verify ongoing safety functionality. Designed to mount into GE PowerMark Gold and ABB ReliaHome load centers, this two-pole unit replaces older THQL2140GF models. The plug-on design simplifies installation for residential and commercial applications requiring 10kAIC ratings.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THQL2140GFT |
| Series | THQL |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Plug-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | GE PowerMark Gold Load Centers, ABB ReliaHome Load Centers |
| Wire Gauge | 8-3 AWG (Cu), 8-3 AWG (Al) |
| Max Wire | 3 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed |
| Special Classification | GFCI |
|---|---|
| Available Options | Shunt Trip, Auxiliary Switch, Padlock Attachment |
| Accessories | Self-Test Feature |
| Standards | UL 489, UL 943, CSA C22.2 No. 5 |
| Approval | CSA, UL |
| Temp Rating | 60C to 75C |
| Construction Features | Self-Test, HACR Rated, Common Trip, Quick-Make/Quick-Break |
Product FAQs
6 answersWhich load centers accept the THQL2140GFT circuit breaker?
This plug-on breaker is designed specifically for installation in GE PowerMark Gold and ABB ReliaHome load centers.
Does the THQL2140GFT replace older GE GFCI breakers?
Yes, the THQL2140GFT is the direct replacement for the legacy THQL2140GF model. The T suffix indicates the addition of an automatic self-test feature to meet updated UL standards.
What is the ground fault trip threshold for this device?
This breaker provides Class A ground fault protection, meaning it is calibrated to trip when it detects a ground fault current of 5 mA.
How does the self-test function operate on this GFCI breaker?
The breaker performs periodic, automatic internal tests to verify that the ground fault circuitry is functioning properly. If the internal diagnostic fails, the breaker will trip and prevent power delivery, indicating the unit must be replaced.
How is the neutral connection established during installation?
The breaker is equipped with a pigtail neutral wire that must be routed and secured to the neutral bus bar in the panelboard to enable the ground fault sensing circuitry.
Does this breaker meet NEC requirements for wet or damp locations?
Yes. Because it provides Class A 5 mA ground fault protection, it satisfies National Electrical Code (NEC) requirements for 40-amp circuits supplying equipment in wet or damp locations.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 90 reviews.
Total 5 star reviews: 88 Total 4 star reviews: 1 Total 3 star reviews: 1 Total 2 star reviews: 0 Total 1 star reviews: 0
Reviews Summary
Generated by AI from 78 most recent customer reviews
Last updated 8/5/25
Customers say these circuit breakers arrive quickly and fit their electrical panels perfectly. Many reviews mention competitive pricing compared to local suppliers. Frequent comments address the secure packaging and prompt delivery. Reviews highlight the exact match to specifications and ease of installation. The selection receives particular praise, especially for hard-to-find models.
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Rating
90 reviews
- KLKim L.Verified BuyerReviewingABB / General Electric THQL2130 - 30A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/6/26Circuit Breaker
Thank you for your fast efficient service! We had a power outage and several power surges that took out our breaker. Fast easy inexpensive repair!!
- RHRussell H.Verified BuyerReviewingABB / General Electric THQL1120GF - 20A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/20/26Hard To Find
Had an old breaker that was hard to find but they had it and at a reasonable price!
- JBJeff B.Verified BuyerReviewingABB / General Electric THQL32030 - 30A 3 Pole Miniature Circuit BreakerRated 3 out of 5 stars7/14/26No paperwork
Part arrived, would have been nice to receive a packing slip or something in the box beside the part.
- SNScott N.Verified BuyerReviewingABB / General Electric THQL32100 - 100A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/26/26Owner
Worked great, breaker was the exact match
- JDJerry D.Verified BuyerReviewingABB / General Electric THQL32050 - 50A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/19/26Best place to get great prices on 3pole breakers
i have bought from super breakers before & when i need these for a job i know they will be great. i buy to restock my truck.