ABB / General ElectricTHQB1120GFEP
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ABB / General Electric THQB1130GFEP GFEP Miniature Circuit Breaker
- 30A
- 1 Pole
- Bolt-On
ABB / General Electric
THQB1130GFEP
GFEP Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THQB1130GFEP
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ABB / General Electric THQB1130GFEP - 30A GFEP Miniature Circuit Breaker
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Description
Engineered for commercial facilities, the GE THQB1130GFEP provides reliable 30mA ground fault equipment protection. This single-pole, 30A miniature circuit breaker prevents damage to machinery by detecting low-level leakage currents. The bolt-on design installs securely into GE A-Series panelboards. It features a non-interchangeable thermal-magnetic trip unit and accepts 14-8 AWG copper or 12-8 AWG aluminum wire. Rated for 10kAIC at 120/240VAC, this Q-Line breaker is HACR rated.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THQB1130GFEP |
| Series | THQB |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | THQB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | GE A-Series Panelboards |
| Wire Gauge | 14-8 AWG (Cu), 12-8 AWG (Al) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG (Cu), 12 AWG (Al) |
| 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, Padlock Attachment |
| Accessories | Load Side Lugs Included |
| Standards | HACR, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Quick-Make/Quick-Break |
Product FAQs
6 answersWhich panelboards are compatible with the THQB1130GFEP circuit breaker?
This bolt-on breaker is designed exclusively for GE A-Series and ReliaGear panelboards that accept THQB or Q-Line bolt-on breakers. It cannot be used in standard residential load centers that require plug-on THQL breakers.
What is the difference between GFEP and a standard GFCI breaker?
GFEP (Ground Fault Equipment Protection) breakers, like the THQB1130GFEP, have a 30mA trip threshold designed to protect machinery, heat trace cables, and equipment from electrical damage. Standard Class A GFCI breakers have a 5mA threshold intended for personnel shock protection.
How is the neutral connection made for this GFEP breaker?
The THQB1130GFEP features a pigtail neutral wire that must be connected directly to the panel neutral bus bar to ensure the ground fault sensing circuitry functions correctly.
Is there a difference between the ABB and GE versions of the THQB1130GFEP?
No. ABB acquired GE Industrial Solutions, so this breaker may arrive with either ABB or GE branding. The form, fit, function, and UL listings remain identical regardless of the logo on the label.
Can I install this bolt-on breaker in a panel made by a different manufacturer?
No. The THQB1130GFEP is only UL listed for use in compatible GE or ABB panelboards. Mixing breaker brands in commercial panels violates UL listings and electrical codes.
What applications typically require a 30mA GFEP breaker?
GFEP breakers are commonly required for outdoor heat trace systems, snow melting equipment, and dedicated industrial machinery where normal operational leakage current might cause nuisance tripping on a standard 5mA GFCI breaker.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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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.