Free Shipping Over $99
Square D QDA32150 Molded Case Circuit Breaker
- 150A
- 3 Pole
- I-Line
Square D
QDA32150
Molded Case Circuit Breaker
Brand
Square D
SKU
QDA32150
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D QDA32150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
Quantity
Square D QDA32150 - 150A 3 Pole Molded Case Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QDA32150 |
| Series | QDA |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards, 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Phase Connection ABC |
Quantity
Square D QDA32150 - 150A 3 Pole Molded Case Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QDA32150-R |
| Series | QDA |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards, 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Phase Connection ABC |
Similar Items
125A 3 Pole Molded Case Circuit Breaker
110A 3 Pole Molded Case Circuit Breaker
200A 3 Pole Molded Case Circuit Breaker
Description
Engineered for commercial and industrial power distribution, the Square D QDA32150 delivers robust 3-pole circuit protection. As part of the PowerPacT Q-Frame family, it provides reliable thermal magnetic operation with fixed long-time and instantaneous (LI) trip functions. This 150A breaker installs into Square D I-Line panelboards and switchboards, utilizing an ABC phase connection. Rated for 25kAIC at 240VAC, it replaces legacy Q32150 breakers while maintaining HACR certification.Specifications
| Brand | Square D |
|---|---|
| Part Number | QDA32150 |
| Series | QDA |
| Amperage | 150A |
| Poles | 3 |
| Mounting Style | I-Line |
| Voltage | 208Y/120VAC, 240VAC |
| Phase | 3 |
| AIC Rating | 25kA @ 208Y/120VAC, 25kA @ 240VAC |
| Terminal Type | Lugs |
|---|---|
| For Use With | Square D I-Line Panelboards, 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, Undervoltage Release, Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No 5, HACR, IEC 60947-2, NEMA AB 1, NOM-003-SCFI-2000, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | -25C to 70C |
| Construction Features | HACR Rated, Visual Trip Indicator, Non-Interchangeable Trip, Phase Connection ABC |
Product FAQs
8 answersWhat type of electrical panels accept the Square D QDA32150?
This breaker features an I-Line mounting style, which plugs directly into the busway of Square D I-Line panelboards and switchboards. It is not compatible with standard QO or NQ series load centers.
Can the QDA32150 be used in 480V or 600V distribution systems?
No. PowerPacT Q-Frame circuit breakers are strictly rated for a maximum operational voltage of 240V AC. Exceeding this rating poses a severe arc flash risk and violates safety codes.
What wire gauges are accepted by the QDA32150 load lugs?
The factory-installed mechanical lugs accept a single conductor ranging from 4 AWG to 300 kcmil. The lugs are rated for both aluminum and copper wire.
How is the line side of this breaker connected during installation?
The I-Line design utilizes a plug-on, jaw-type connection on the line side that clamps directly onto the panelboard bus stack. You secure the breaker to the pan using a mounting bracket, requiring manual wire terminations only on the load side.
What does the letter D in the QDA32150 catalog number signify?
In the Square D PowerPacT Q-Frame naming convention, the second letter designates the short-circuit interrupting rating. The D indicates a 25 kA interrupting capacity at 240V AC. Other letters, such as B, G, or J, indicate different kAIC performance tiers.
Are the thermal or magnetic trip settings adjustable on this breaker?
No, this unit features a fixed thermal-magnetic trip unit. It has a factory-calibrated magnetic hold current of 1200 amps and a trip current of 2400 amps, providing standard Long-Time and Instantaneous (LI) protection.
Can the PowerPacT Q-Frame series replace older Square D breakers?
Yes. The PowerPacT Q-Frame line, including the QDA32150, is engineered as a direct replacement for legacy Square D Q2 series molded case circuit breakers.
Does the QDA32150 feature a mechanical testing mechanism?
Yes. All PowerPacT Q-Frame circuit breakers include an integral push-to-trip button on the front cover. This allows electricians to manually trip the breaker and verify the physical operation of the internal mechanism during routine maintenance.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
100 SuperPoints = $1 off.
Warranties
Add an extra year of protection
60-Day Warranty
Your purchase includes 60 days of SuperBreakers warranty coverage.
Add a 1-year warranty extension in your cart.
Get a Quote
Don’t see what you’re looking for?
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
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.
Same Day Shipping
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
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 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
Search
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