ABB / General ElectricTHHQB32050
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Free Shipping Over $99
Free Shipping Over $99
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ABB / General Electric THHQB32045 Miniature Circuit Breaker
- 45A
- 3 Pole
- Bolt-On
ABB / General Electric
THHQB32045
Miniature Circuit Breaker
Brand
ABB / General Electric
SKU
THHQB32045
Quantity
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ABB / General Electric THHQB32045 - 45A 3 Pole Miniature Circuit Breaker
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Description
Operating at 240VAC, the GE THHQB32045 is a robust three-pole breaker designed for commercial electrical systems. It delivers 45 amps of thermal-magnetic protection with a high interrupting capacity of 22kAIC. The bolt-on design installs seamlessly into standard GE AQ lighting panels and A-Series panelboards. It includes load side lugs accommodating 8-3 AWG conductors. This reverse-feed capable unit incorporates quick-make/quick-break technology and carries a strict HACR rating for HVAC use.Specifications
| Brand | ABB / General Electric |
|---|---|
| Series | THHQB |
| Amperage | 45A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC |
| Phase | 3 |
| AIC Rating | 22kA @ 240VAC |
| Frame Type | THQB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | GE A-Series Panelboards, GE AQ Lighting Panels |
| 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 | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Auxiliary Switch, Shunt Trip, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 10C to 50C |
| Construction Features | HACR Rated, Common Trip, Quick-Make/Quick-Break, Non-Interchangeable Trip, Reverse Feed, High Interrupting Capacity |
Product FAQs
6 answersWhat panelboards are compatible with the THHQB32045 circuit breaker?
This bolt-on breaker is designed for use in ABB and GE A-Series panelboards, AQ lighting panels, and ReliaGear RQ panelboards. It is not compatible with standard residential plug-on load centers.
What is the difference between GE THQB and THHQB circuit breakers?
The primary difference is the interrupting rating. THQB breakers are rated for 10kAIC, while THHQB breakers have a higher interrupting capacity of 22kAIC. Both share the same physical dimensions and bolt-on mounting style.
Is the THHQB32045 breaker HACR rated?
Yes, this breaker is HACR rated, making it suitable for use with heating, air conditioning, and refrigeration equipment circuits.
What are the recommended lug torque specifications for the THHQB32045?
For the accepted 8-3 AWG wire range, the recommended tightening torque is 40 in-lb for 8 AWG, 45 in-lb for 6 to 4 AWG, and 50 in-lb for 3 AWG conductors.
How does the THHQB32045 indicate a tripped condition?
The breaker features a quick-make, quick-break mechanism with a handle that moves to a distinct center position when tripped, allowing for easy visual identification of a fault.
Can I use aluminum wire with the THHQB32045 breaker?
Yes, the box lugs on this breaker are dual-rated for both copper (Cu) and aluminum (Al) conductors ranging from 8 AWG to 3 AWG.
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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 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