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Square D QBA221752 Molded Case Circuit Breaker
- 175A
- 2 Pole
- I-Line
Square D
QBA221752
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA221752
Quantity
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Square D QBA221752 - 175A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D QBA221752 - 175A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221752 |
| Series | QBA |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| 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 |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, 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, Phase Connection AC, 80% Rated |
Sold out
Quantity
Square D QBA221752 - 175A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221752-R |
| Series | QBA |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| 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 |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, 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, Phase Connection AC, 80% Rated |
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Description
Operating at 10kAIC, this thermal-magnetic Q-Frame breaker ensures robust power distribution for commercial facilities. The 175A device utilizes proven PowerPacT technology. It mounts seamlessly into Square D I-Line panelboards, utilizing a specific AC phase connection. Facility managers can use this to replace older Q22175 units. Standard features include fixed LI trip settings and a highly visible Visi-Trip indicator. It accepts 4 AWG to 300 kcmil wiring via included load-side lugs.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBA221752 |
| Series | QBA |
| Amperage | 175A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| 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 |
| Max Wire | 300 kcmil |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, 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, Phase Connection AC, 80% Rated |
Product FAQs
6 answersWhat panelboards are compatible with the QBA221752 circuit breaker?
This PowerPacT Q-frame breaker is designed exclusively for use in Square D I-Line panelboards and switchboards.
Can the QBA221752 replace older Square D Q2 series breakers?
Yes, PowerPacT Q-frame circuit breakers, including the QBA221752, are direct replacements for legacy Q2 series devices such as the Q22175.
What is the required wire size and tightening torque for the load side lugs on the QBA221752?
The included box-type lugs accept 4 AWG to 300 kcmil aluminum or copper conductors. The required tightening torque is 247.8 lbf-in (28 N-m).
What is the difference between the QBA, QDA, QGA, and QJA frame types?
These prefixes indicate the interrupting rating of the PowerPacT Q-frame breaker at 240VAC. The QBA is rated for 10kAIC, QDA for 25kAIC, QGA for 65kAIC, and QJA for 100kAIC.
What does the trailing 2 in the QBA221752 catalog number indicate?
In Square D I-Line nomenclature, the trailing 2 indicates that the plug-in jaws are configured for an A and C phase connection on the panelboard bus.
How can I manually test the mechanical operation of the QBA221752?
All PowerPacT circuit breakers have an integral push-to-trip button in the cover to manually trip the circuit breaker and verify the mechanical operation of the trip mechanism.
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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!