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Square D QBA221001 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
QBA221001
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA221001
Quantity
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Square D QBA221001 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D QBA221001 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221001 |
| Series | QBA |
| Amperage | 100A |
| 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 | 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, Non-Interchangeable Trip |
Sold out
Quantity
Square D QBA221001 - 100A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QBA221001-R |
| Series | QBA |
| Amperage | 100A |
| 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 | 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, Non-Interchangeable Trip |
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Description
Engineered for heavy-duty applications, the Square D QBA221001 MCCB brings 100A of protection to the PowerPacT Q-Frame lineup. It ensures reliable overcurrent safety for commercial and industrial electrical systems. This unit installs into Square D I-Line panelboards and switchboards using a plug-on bracket. It features an AB phase connection and serves as an exact replacement for the discontinued Q22100 breaker.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBA221001 |
| Series | QBA |
| Amperage | 100A |
| 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 | 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, Non-Interchangeable Trip |
Product FAQs
7 answersWhat panelboards are compatible with the QBA221001?
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 the QBA221001 be used to replace an older Q22100 breaker?
Yes, the QBA221001 serves as an exact, direct replacement for the discontinued Square D Q22100 circuit breaker.
What is the required mounting space for this 2-pole Q-frame breaker in an I-Line panel?
The QBA221001 requires 3 inches of vertical mounting space in a Square D I-Line panelboard.
What is the recommended lug torque for the load terminals on the QBA221001?
The load-side mechanical lugs should be torqued to 248 lb-in (28 N.m) when terminating 4 AWG to 300 kcmil aluminum or copper conductors.
What phase connection does the QBA221001 use?
This specific 2-pole breaker is factory configured for an AB phase connection on the I-Line panelboard bus.
What are the magnetic trip settings for this 100A Q-frame breaker?
The QBA221001 features fixed thermal-magnetic protection with a magnetic hold current of 1200A and a magnetic trip current of 2400A.
Does the QBA221001 include a manual trip feature?
Yes, all PowerPacT Q-frame circuit breakers include an integral push-to-trip button on the front cover to manually trip the breaker for testing and maintenance.
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Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
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All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.
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!