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Square D QBA221004 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
QBA221004
Molded Case Circuit Breaker
Brand
Square D
SKU
QBA221004
Quantity
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Square D QBA221004 - 100A 2 Pole Molded Case Circuit Breaker
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Description
Providing 100 amps of reliable power distribution, this PowerPact Q-Frame circuit breaker is tailored for industrial facilities. It delivers proven thermal-magnetic protection. The unit utilizes a BC phase connection for integration into Square D I-Line switchboards. It is a verified substitute for the QDA221004 and replaces older Q22100 components. Rated for 10kAIC at 240VAC, this HACR-approved device features a Visi-Trip mechanism that clearly flags tripped conditions to minimize downtime.Specifications
| Brand | Square D |
|---|---|
| Part Number | QBA221004 |
| 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 |
| 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 | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, 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, 80% Rated, Visual Trip Indicator |
Product FAQs
6 answersWhere is the QBA221004 circuit breaker typically installed?
This PowerPact Q-frame breaker is designed specifically for use in Square D I-Line panelboards and switchboards. It features an I-Line style plug-in connection on the line side, allowing it to snap directly onto the panelboard busbar for a secure installation.
How are wire connections made on the QBA221004?
The line side utilizes an I-Line plug-in connection that mounts directly to the panelboard bus. The load side is equipped with mechanical lugs that accept copper or aluminum wire ranging from 4 AWG to 300 kcmil.
How can I verify if the QBA221004 has tripped?
This breaker features a Visi-Trip mechanism that provides a clear visual indication when a trip occurs. It also includes an integral push-to-trip button on the cover to manually trip the breaker for safety testing and maintenance.
Can the QBA221004 replace older legacy breakers?
Yes, this breaker is a direct replacement for older Q22100 components in existing Square D I-Line switchboards and panelboards.
What is the continuous current rating for this breaker?
The QBA221004 carries a standard continuous current rating of 80 percent of its 100A maximum capacity.
How does the thermal-magnetic trip unit in the QBA221004 operate?
The fixed thermal-magnetic trip unit provides dual protection. The thermal component responds to gradual overloads using a bimetallic strip, while the magnetic component reacts immediately to short circuits.
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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!