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Square D QBA222251 Molded Case Circuit Breaker
- 225A
- 2 Pole
- I-Line
Square D
QBA222251
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA222251
Quantity
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Square D QBA222251 - 225A 2 Pole Molded Case Circuit Breaker
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Description
Providing reliable thermal-magnetic protection, the Square D QBA222251 is a 2-pole, 225A molded case circuit breaker. This PowerPacT Q-Frame unit is specifically configured with an AB phase connection for proper busbar alignment. It mounts into Square D I-Line panelboards and switchboards to support commercial and industrial facilities. Delivering a 10kAIC rating at 240VAC with LI trip functions, it serves as an excellent alternative to the QDA222251 when standard interrupt capacity is needed.Specifications
| Brand | Square D |
|---|---|
| Series | QBA |
| Amperage | 225A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 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 Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Lugs |
| Standards | CSA C22.2 No. 5, HACR, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, 80% Rated, Visual Trip Indicator |
Product FAQs
7 answersWhat does the 1 at the end of the QBA222251 catalog number indicate?
The 1 indicates that this breaker is configured with an AB phase connection for proper busbar alignment in I-Line panelboards.
What is the recommended tightening torque for the load side lugs on the QBA222251?
The load side lugs should be torqued to 247.8 lb-in (28 N.m) when using 4 AWG to 300 kcmil aluminum or copper wire.
How much mounting space does this 2 pole Q-frame breaker require in an I-Line panelboard?
The QBA222251 requires 3 inches of I-Line mounting space, as each pole takes up 1.5 inches of bus space.
Is the Square D QBA222251 100% rated for continuous current?
No, this breaker has a standard 80% continuous current rating.
Can the QBA222251 be used in DC voltage applications?
No, this PowerPacT Q-frame circuit breaker is rated for AC voltage only (up to 240VAC) and does not carry a DC voltage rating.
Are the trip settings adjustable on the QBA222251?
No, this breaker features a thermal magnetic trip unit with fixed thermal and fixed magnetic settings for long-time and instantaneous (LI) protection.
Which panelboards are compatible with the QBA222251 circuit breaker?
This breaker features an I-Line style plug-in connection and is designed exclusively for use in Square D I-Line panelboards and switchboards.
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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!