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Square D QBA32125 Molded Case Circuit Breaker
- 125A
- 3 Pole
- I-Line
Square D
QBA32125
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA32125
Quantity
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Square D QBA32125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D QBA32125 - 125A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Series | QBA |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Frame Type | QBA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, NOM-003-SCFI, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Phase Connection ABC |
Quantity
Square D QBA32125 - 125A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Series | QBA |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Frame Type | QBA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, NOM-003-SCFI, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Phase Connection ABC |
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Description
The Square D QBA32125 is a 3-pole, 125A molded case circuit breaker designed for commercial and industrial power distribution. It features a thermal-magnetic trip unit that provides fixed long-time and instantaneous (LI) protection. This Q-Frame breaker installs into Square D I-Line panelboards and switchboards. It serves as a drop-in replacement for the legacy Q23125 and is an alternative to QDA32125 models. Operating at 240VAC, it delivers a 10kAIC rating and includes a Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Series | QBA |
| Amperage | 125A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 10kA @ 208Y/120VAC, 10kA @ 240VAC |
| Frame Type | QBA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards and Switchboards |
| Wire Gauge | 4 AWG - 300 kcmil (Al/Cu) |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, NOM-003-SCFI, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Phase Connection ABC |
Product FAQs
6 answersWhich panelboards are compatible with the Square D QBA32125 breaker?
The QBA32125 features an I-Line plug-on configuration on the line side and is designed exclusively for installation in Square D I-Line panelboards and switchboards.
What is the recommended terminal torque for the load lugs on the QBA32125?
The factory-installed load lugs on this 125A Q-frame breaker require a tightening torque of 248 lb-in (28 N.m) for both aluminum and copper conductors.
What are the magnetic trip settings for the QBA32125?
This thermal-magnetic circuit breaker features a fixed magnetic hold current of 1200A and a magnetic tripping current of 2400A.
Is the QBA32125 breaker rated for 100 percent continuous load?
No, standard PowerPacT Q-frame breakers, including the QBA32125, carry an 80 percent continuous current rating.
Does the QBA32125 replace any legacy Square D circuit breakers?
Yes, PowerPacT Q-frame circuit breakers serve as direct replacements for older Square D Q2 series breakers previously used in I-Line panels.
Are there direct replacements for the QBA32125 with higher interrupting capacity?
Yes. If your application requires a higher fault rating than the 10kAIC provided by the QBA32125, you can use the QDA32125 (25kAIC), QGA32125 (65kAIC), or QJA32125 (100kAIC). These variants share the exact same physical footprint and I-Line mounting.
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Shipping
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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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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 4.6 out of 5 based on 12 reviews.
Total 5 star reviews: 10 Total 4 star reviews: 1 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 1
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Rating
12 reviews
- DMDonaldo M. A.Verified BuyerReviewingSquare D QBA32125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/7/26Fast, Easy and Great Item
I bought this item for the first time and it was great! through the website it was easy to find my exact item and also the payment was easy to submit, deliver was on point.
Great company and products.
- KPKevin P.Verified BuyerReviewingSquare D QBA32200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/5/26Sq D I line breaks
Great price and is exactly what was discribed
- DDDavid D.Verified BuyerReviewingSquare D QBA32110 - 110A 3 Pole Molded Case Circuit BreakerI do not recommend this productRated 1 out of 5 stars1/20/26Breaker
Need to return this item.
- DMDave M.Verified BuyerReviewingSquare D QBA32150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars11/12/25Excellent All Around
Speedy shipping and great staff to work with.
- DBDoug B.ReviewingSquare D QBA32200 - 200A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars4/28/23Great service, great item!
Great service, great item!