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Square D QBA222254 Molded Case Circuit Breaker
- 225A
- 2 Pole
- I-Line
Square D
QBA222254
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA222254
Quantity
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Square D QBA222254 - 225A 2 Pole Molded Case Circuit Breaker
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Description
Part of the PowerPacT Q-Frame family, this 225A thermal-magnetic breaker delivers reliable LI protection for commercial applications. The unit features a factory-configured BC phase connection, indicated by the catalog suffix 4. Designed for seamless integration, it mounts into Square D I-Line panelboards and switchboards. This model serves as an exact replacement for legacy Q22225 units. Rated for 10kAIC at 240VAC, it includes Visi-Trip technology for fast fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBA222254 |
| 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 |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Phase Connection BC (Suffix 4) |
| 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, Visual Trip Indicator, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Phase Connection BC |
Product FAQs
7 answersWhich panelboards accept the QBA222254 circuit breaker?
This breaker is designed specifically for Square D I-Line panelboards and switchboards. It utilizes a plug-on I-Line connection on the line side and cannot be used in standard load centers or unit-mount applications.
What wire sizes are compatible with the load lugs on the QBA222254?
The factory-installed load lugs accept either aluminum or copper conductors ranging from 4 AWG to 300 kcmil.
What is the required torque specification for the load side lugs?
For 4 AWG to 300 kcmil aluminum or copper wire, the load lugs must be tightened to 248 lb-in (28 N.m).
What are the magnetic trip thresholds for this 225A breaker?
The fixed thermal-magnetic trip unit has a magnetic hold current of 1200A and a magnetic tripping current of 2400A.
What type of protection does the LI trip function provide?
The LI designation indicates that the thermal-magnetic trip unit delivers Long-Time (L) protection for sustained overloads and Instantaneous (I) protection for short circuits.
Can the QBA222254 replace older Square D circuit breakers?
Yes, PowerPacT Q-Frame breakers like the QBA222254 are the direct, designated replacements for legacy Square D Q2 Series circuit breakers with matching pole and amperage configurations.
How can I manually test the mechanical operation of the QBA222254?
PowerPacT Q-Frame breakers feature a built-in push-to-trip button on the front cover. Pressing this button manually trips the breaker to verify that the mechanical linkage is operating correctly.
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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!