ABB / General ElectricTHQB2140GFEP2
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ABB / General Electric THQB2140GFEP GFEP Miniature Circuit Breaker
- 40A
- 2 Pole
- Bolt-On
ABB / General Electric
THQB2140GFEP
GFEP Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THQB2140GFEP
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ABB / General Electric THQB2140GFEP - 40A GFEP Miniature Circuit Breaker
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Description
Built to safeguard critical hardware, the GE THQB2140GFEP provides 30mA ground fault equipment protection (GFEP) for commercial facilities. By utilizing a higher trip threshold than standard 5mA personnel GFCIs, this 40A device effectively prevents nuisance tripping on circuits running motors, heat tracing, or industrial equipment. Designed for seamless integration, it bolts securely into GE AQ lighting panels and A-Series panelboards. The breaker includes self-test capabilities and 10kAIC.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THQB2140GFEP |
| Series | THQB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Terminal Type | Box Lugs |
|---|---|
| For Use With | GE AQ Lighting Panels, GE A-Series Panelboards |
| 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 | GFEP |
|---|---|
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Padlock Attachment |
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Internal Common Trip, Quick-Make/Quick-Break, Self-Test |
Product FAQs
6 answersWhat is the difference between this GFEP breaker and a standard Class A GFCI breaker?
The THQB2140GFEP provides Ground Fault Equipment Protection (GFEP) with a 30mA trip threshold, designed to protect machinery, heat tracing, and snow melting equipment. Standard Class A GFCI breakers have a 5mA trip threshold intended for personnel protection, which can cause nuisance tripping on equipment loads with higher inherent leakage current.
Can this bolt-on breaker be used in residential GE Powermark Gold load centers?
No. Residential Powermark load centers require plug-on THQL series breakers. This THQB unit is strictly for commercial GE A-Series panelboards and AQ lighting panels that accept bolt-on connections.
How is the neutral connection handled on this 240V breaker?
You must connect the attached white neutral pigtail directly to the panel neutral bus bar. This connection is required to power the internal ground fault detection circuitry, even if the 240V load does not require a neutral wire.
Is this breaker suitable for heat tracing or de-icing applications?
Yes. The 30mA ground fault equipment protection provided by this breaker is precisely what is required by the NEC for fixed outdoor electric de-icing and snow melting equipment to prevent nuisance tripping.
Is there a higher interrupting rating alternative to the THQB2140GFEP?
Yes. If your system requires more than 10kAIC, the THHQB line offers the same physical footprint and bolt-on design but with a 22kAIC rating at 240V. Verify exact ground fault equipment protection availability in the THHQB catalog for your required amperage.
Why might this breaker arrive with ABB branding instead of General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, these breakers may carry ABB logos, GE logos, or both. The form, fit, and internal components are identical to legacy GE THQB breakers.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 110 reviews.
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 4/16/26
Customers say these circuit breakers arrive quickly and work as expected. Many reviews mention fast shipping, with some receiving orders overnight or within days. Users report the breakers fit properly, install easily, and function correctly in both residential and commercial applications. Common feedback includes competitive pricing and good packaging that protects products during shipping. While most praise the ordering process as straightforward, some note occasional issues with missing installation screws or receiving updated product versions instead of pictured models. Several contractors and electricians appreciate having access to hard-to-find or obsolete breakers when local suppliers lack inventory.
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Rating
110 reviews
- SPSarah P.Verified BuyerReviewingABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/15/26Exactly as Described
These are so hard to find at a good price. Will be ordering again.
- SBSeth B.Verified BuyerReviewingABB / General Electric THQB1120 - 20A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/8/26Hard to find older style breakers
I am pleased to have access to these breakers. We have a number of them at our church. Local suppliers said that they had never seen this kind of breaker. They fit our panel perfectly.
- TZThomas Z.Verified BuyerReviewingABB / General Electric THQB32040 - 40A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/30/26Great company
This company is awesome. Every time I call them and I need help with something. They’re right there to help me. They’re also very knowledgeable. They go out of their way to get you the product that you need right away and not a great price.
- TDTerry D.Verified BuyerReviewingABB / General Electric THQB2130GFT - 30A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/24/2630 AMP GFCI @ POLE
Breakers were new in box as advertised. Good turn around on orders Reasonable pricing much less than abb dealer
- LMLeslie M.Verified BuyerReviewingABB / General Electric THQB21100 - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/16/26Perfect fit.
Always timely with delivery and a perfect.fit.