ABB / General ElectricTHHQB1120GFT
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ABB / General Electric THHQB1130GFT GFCI Miniature Circuit Breaker
- 30A
- 1 Pole
- Bolt-On
ABB / General Electric
THHQB1130GFT
GFCI Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THHQB1130GFT
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ABB / General Electric THHQB1130GFT - 30A GFCI Miniature Circuit Breaker
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THQB1130GF - 30A GFCI Miniature Circuit Breaker
Description
Part of the Q-Line family, this 30A bolt-on GFCI breaker delivers Class A ground-fault protection for commercial electrical systems. The GE THHQB1130GFT operates at 120/240VAC with a 22 kAIC rating, meeting NEC requirements for damp locations. It mounts into GE A-Series panelboards and AQ lighting panels, serving as the replacement for the older THHQB1130GF model.Specifications
| Brand | ABB / General Electric |
|---|---|
| Part Number | THHQB1130GFT |
| Series | THHQB |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | THHQB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | GE A-Series Panelboards, GE AQ Lighting Panels |
| 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 | GFCI |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Self-Test Feature |
| Standards | HACR, UL 489, UL 943 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Class A Ground Fault Protection (5mA), Self-Test, Non-Interchangeable Trip, Quick-Make/Quick-Break |
Product FAQs
7 answersWhich panelboards are compatible with the THHQB1130GFT circuit breaker?
This bolt-on breaker is designed for use in GE A-Series panelboards and GE AQ lighting panels. It is not compatible with standard residential load centers that require plug-on breakers.
What is the difference between the THHQB1130GFT and the older THHQB1130GF?
The THHQB1130GFT is the direct replacement for the older THHQB1130GF. The T suffix indicates that the new model includes an automatic self-test feature to ensure the ground-fault circuitry is functioning properly, as required by updated UL standards.
Can I use the THHQB1130GFT in place of a THQB1130GFT?
Yes. The THHQB series features a higher interrupting rating (22kAIC) compared to the standard THQB series (10kAIC). It shares the same physical dimensions and bolt-on mounting, making it a safe, upgraded replacement where higher fault current protection is required.
Why is the THHQB1130GFT listed under both ABB and General Electric?
ABB acquired GE Industrial Solutions in 2018. Depending on the manufacturing date, this breaker may feature either GE or ABB branding. The form, fit, and function remain identical regardless of the label.
What level of ground-fault protection does the THHQB1130GFT provide?
This breaker provides Class A ground-fault protection, meaning it is designed to trip when a ground fault of 5mA is detected, protecting personnel from electrical shock.
How is the neutral connected for the GFCI function on this breaker?
The THHQB1130GFT features a pigtail neutral wire that must be connected directly to the neutral bus bar in the panelboard to power the ground-fault circuitry and ensure proper operation.
What wire sizes are accepted by the box lugs on the THHQB1130GFT?
The terminal lugs accept 14 to 8 AWG copper conductors or 12 to 8 AWG aluminum conductors.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 13 reviews.
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Rating
13 reviews
- JLJames L. L.Verified BuyerReviewingABB / General Electric THHQB21100 - 100A 2 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/6/26ABB / General Electric THHQB21100
Fast Service and delivery, The breaker was as described and brand new! Great pricing and great Service. I paid extra for UPS ground, it was delivered quickly.
- SNScott N.Verified BuyerReviewingABB / General Electric THHQB32030 - 30A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars12/30/25Perfect
The correct breaker the first time - every time.
- AGAlejandra G.Verified BuyerReviewingABB / General Electric THHQB1140 - 40A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/25Everithing is good!
Everithing is good!
- LMLuis M.ReviewingABB / General Electric THHQB2145 - 45A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/19/23Good product and good service
Good product and good service
- SHScott H.ReviewingABB / General Electric THHQB2180 - 80A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/21/2280amp commercial breaker
Great how easy it was to order and how fast I got it. I will order one again when needed