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Square D QBA221104 Molded Case Circuit Breaker
- 110A
- 2 Pole
- I-Line
Square D
QBA221104
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA221104
Quantity
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Square D QBA221104 - 110A 2 Pole Molded Case Circuit Breaker
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Description
Delivering reliable thermal-magnetic protection, the QBA221104 is a 2-pole MCCB from the Square D PowerPacT Q-Frame lineup. This specific model features a BC phase connection for integration into I-Line panelboards and switchboards. It is an exact replacement for the discontinued Q22110 and functions as an alternative to the QDA221104. With a 10kAIC rating at 240VAC, it provides essential LI trip functions. The unit includes load-side lugs and features the signature Visi-Trip indicator.Specifications
| Brand | Square D |
|---|---|
| Series | QBA |
| Amperage | 110A |
| 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, Alarm Switch, 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, Phase Connection BC, 80% Rated |
Product FAQs
7 answersWhat type of panelboards is the QBA221104 compatible with?
This breaker is designed exclusively for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection on the line side and mechanical lugs on the load side.
Can I install this breaker in a standard Square D QO load center?
No, the QBA221104 is a PowerPacT Q-Frame molded case circuit breaker with an I-Line plug-in connection. It is not compatible with residential QO or Homeline load centers, which require completely different breaker form factors.
How is the QBA221104 installed into the panel?
It utilizes an I-Line plug-in mounting style. The line side snaps directly onto the I-Line bus stack in compatible Square D panelboards, while the load side uses mechanical lugs for wire termination.
Are the thermal and magnetic trip settings adjustable on this model?
No, the QBA221104 features a fixed thermal-magnetic trip unit. Both the long-time overload protection and the instantaneous short-circuit protection are factory set and cannot be adjusted in the field.
What should I do if my system requires an interrupting rating higher than 10kAIC?
The QBA221104 is limited to a 10kAIC rating at 240VAC. For higher fault current requirements, you will need to source a higher-tier PowerPacT Q-Frame breaker, such as the QDA, QGA, or QJA series, which offer higher interrupting capacities.
Can the QBA221104 be used in 480V systems?
No, this breaker has a maximum voltage rating of 240VAC. It is strictly designed for low-voltage applications up to 240V and cannot be safely installed in 480V or 600V electrical systems.
Does this Q-Frame breaker include a manual testing feature?
Yes, like all Square D PowerPacT circuit breakers, it features an integral push-to-trip button on the cover that allows you to manually trip the breaker and verify the mechanical operation of the trip unit.
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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!