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Square D QDA221001 Molded Case Circuit Breaker
- 100A
- 2 Pole
- I-Line
Square D
QDA221001
Molded Case Circuit Breaker
Brand
Square D
SKU
QDA221001
Quantity
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Square D QDA221001 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D QDA221001 - 100A 2 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QDA221001 |
| Series | QDA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| 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 | Phase Connection AB |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, 80% Rated |
Sold out
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Square D QDA221001 - 100A 2 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QDA221001-R |
| Series | QDA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| 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 | Phase Connection AB |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, 80% Rated |
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Description
Engineered for commercial applications, the Square D QDA221001 is a 2-pole, 100A MCCB from the PowerPacT Q-frame family. It provides robust long-time and instantaneous (LI) overcurrent protection. Featuring an I-Line mounting style with an AB phase connection, it installs into Square D I-Line panelboards. It also serves as a direct replacement for legacy Q221001 breakers. Rated 25kAIC at 240VAC, this unit includes a Visi-Trip indicator for quick fault identification.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDA221001 |
| Series | QDA |
| Amperage | 100A |
| Poles | 2 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 1 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Frame Type | QDA |
|---|---|
| Terminal Type | Lugs |
| For Use With | Square D I-Line Panelboards |
| 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 | Phase Connection AB |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, 80% Rated |
Product FAQs
7 answersWhich panelboards accept the QDA221001 circuit breaker?
This breaker is designed specifically for Square D I-Line power distribution panelboards and switchboards. It utilizes plug-on jaws to connect directly to the I-Line bus stack.
Is the QDA221001 a suitable replacement for legacy Q2 breakers?
Yes, the QDA221001 serves as a direct, modern replacement for older Square D Q221001 and Q221001H 100A 2-pole I-Line circuit breakers.
What does the letter D indicate in the QDA221001 catalog number?
In Square D PowerPacT Q-frame catalog numbers, the second letter designates the interrupting rating. The D indicates a 25kA interrupting capacity at 240VAC. For comparison, a QBA breaker is rated for 10kA, while a QGA is rated for 65kA.
What is the tightening torque for the load lugs on the QDA221001?
The load lugs on this breaker accept 4 AWG to 300 kcmil aluminum or copper conductors and require a tightening torque of 247.8 lbf-in (28 N.m).
Can I adjust the trip curve on the QDA221001?
No. This breaker is equipped with a fixed thermal-magnetic trip unit. Both the long-time overcurrent and instantaneous short-circuit trip points are factory set and cannot be adjusted in the field.
How does the I-Line plug-in connection work on this breaker?
The breaker features plug-on jaws that engage directly with the I-Line panelboard bus stack. It is then secured to the panelboard interior using a mounting screw to ensure a reliable connection.
What phase connection does the QDA221001 use?
The QDA221001 is configured for an AB phase connection on the I-Line bus. The final digit 1 in the catalog number designates this specific phase arrangement, whereas a 2 would indicate an AC connection.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 6 reviews.
Total 5 star reviews: 6 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
6 reviews
- CBCarl B.Verified BuyerReviewingSquare D QDA32125 - 125A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars6/11/26Sq. D I-line
Price was fair for these New Breakers. More importantly, is the avaiability and not having to deal with long lead times
- CSClaus S.Verified BuyerReviewingSquare D QDA32100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/3/26100A 3 phase Breaker
Priced right and shipping was really Quick. I will use them again!!
- CGChase G.ReviewingSquare D QDA32150 - 150A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars3/16/22Always have what I need
5 stars Super Breaker always has what I need, and at a good price.
- CGChristopher G.ReviewingSquare D QDA32100 - 100A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars8/11/21speedy service. great quality
speedy service. great quality
- RSRandy S.ReviewingSquare D QDA32225 - 225A 3 Pole Molded Case Circuit BreakerI recommend this productRated 5 out of 5 stars9/11/19Super
Quick Shipping and great price