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Square D QBA221003 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
QBA221003
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA221003
Quantity
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Square D QBA221003 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
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Square D QBA221003 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221003 |
| Series | QBA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | Q |
|---|---|
| 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, Non-Interchangeable Trip, 80% Rated, Phase Connection BA |
Sold out
Quantity
Square D QBA221003 - 100A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221003-R |
| Series | QBA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | Q |
|---|---|
| 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, Non-Interchangeable Trip, 80% Rated, Phase Connection BA |
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Description
Belonging to the Square D PowerPact Q-Frame family, this 100A molded case circuit breaker is engineered for commercial distribution systems. It features an I-Line mounting style with a BA phase connection, fitting seamlessly into Square D I-Line panelboards. It also replaces legacy Q22100 breakers. Equipped with a fixed thermal-magnetic trip unit, it provides a 10kAIC rating at 240VAC. A Visi-Trip indicator allows for quick fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBA221003 |
| Series | QBA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC |
| Frame Type | Q |
|---|---|
| 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, Non-Interchangeable Trip, 80% Rated, Phase Connection BA |
Product FAQs
8 answersWhat legacy Square D circuit breaker does the QBA221003 replace?
The QBA221003 is a direct replacement for the legacy Q22100 I-Line circuit breaker.
How much mounting space does this 2-pole Q-Frame breaker require in an I-Line panelboard?
This 2-pole PowerPacT Q-Frame breaker requires 3 inches of mounting space in a Square D I-Line panelboard or switchboard.
What phase connection does the QBA221003 use?
This specific catalog number features a BA phase connection for I-Line panelboards.
Can I adjust the trip settings on the QBA221003?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions cannot be adjusted in the field.
Is this breaker suitable for 480V or 600V systems?
No, the QBA221003 is rated for a maximum of 240VAC and must not be installed in 480V or 600V distribution systems.
How is this breaker mounted into the panelboard?
It utilizes an I-Line style plug-in connection. You must rack the breaker onto the interior bus stack using a long-shanked screwdriver in the designated slot, following the manufacturer installation instructions.
Does this breaker include a visual trip indicator?
Yes, it features a Visi-Trip indicator that provides clear visual confirmation when the breaker has tripped due to an overcurrent or short-circuit fault.
What safety precautions are required before installing the QBA221003?
Always turn off all power supplying the equipment, verify de-energization with a properly rated voltage sensing device, and wear appropriate Personal Protective Equipment (PPE) in accordance with NFPA 70E before working inside the panelboard.
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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!