ABB / General ElectricTHQB32015
ABB / General Electric THQB31WY15 Miniature Circuit Breaker
- 15A
- 3 Pole
- Bolt-On
ABB / General Electric
THQB31WY15
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THQB31WY15
Quantity
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ABB / General Electric THQB31WY15 - 15A 3 Pole Miniature Circuit Breaker
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Description
Built specifically for specialized commercial applications, this 15A three-pole breaker features a switched neutral configuration with two protected poles and one switching pole. It mounts seamlessly into GE A-Series panelboards and AQ lighting panels, providing a secure bolt-on connection. Highly sought after for gas pump disconnect requirements, the unit carries a 10kAIC rating and utilizes an internal common trip mechanism to ensure simultaneous disconnection of all phases.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THQB |
| Amperage | 15A |
| Poles | 3 |
| 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, 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 | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Padlock Attachment |
|---|---|
| Accessories | Switching Neutral |
| Standards | CSA C22.2 No. 5, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | Switching Neutral, Internal Common Trip, Quick-Make/Quick-Break |
Product FAQs
7 answersWhich panelboards are compatible with the THQB31WY15 circuit breaker?
This bolt-on breaker is designed for use in GE A-Series panelboards and GE AQ lighting panels. It mounts directly to the bus connections in these specific commercial distribution panels.
Can the THQB31WY15 be installed in a standard residential load center?
No, this is a bolt-on breaker designed for commercial GE A-Series and AQ lighting panels. It will not fit in standard residential plug-on load centers like the GE PowerMark Gold series.
What wire sizes and materials are accepted by the box lugs on this 15A breaker?
The terminals accept 14 to 8 AWG copper wire or 12 to 8 AWG aluminum wire. Always refer to the breaker label for exact torque specifications, which are typically 20 in-lb for standard THQB wire terminals.
Is the THQB31WY15 rated for use with heating, air conditioning, and refrigeration equipment?
Yes, GE THQB series circuit breakers are HACR rated, making them suitable for protecting HVAC and refrigeration branch circuits.
Does this breaker provide ground fault or arc fault protection?
No, the THQB31WY15 is a standard thermal magnetic breaker providing overload and short-circuit protection. It does not include GFCI or AFCI functionality.
What is the difference between the THQB31WY15 and the THQB32015?
While both are 15A, 3-pole bolt-on breakers, the THQB31WY15 is rated for 120/240VAC systems, whereas the THQB32015 is rated for straight 240VAC systems. Ensure you select the correct voltage rating for your specific panel and load requirements.
Is the trip unit on the THQB31WY15 adjustable?
No, this breaker features a fixed thermal magnetic trip unit with long-time and instantaneous trip functions. The trip settings cannot be adjusted in the field.
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Shipping
Free Shipping Policy
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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All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
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.