Free Shipping Over $99
Square D QOU325 Miniature Circuit Breaker
- 25A
- 3 Pole
- Unit Mount
Square D
QOU325
Miniature Circuit Breaker
Brand
Square D
SKU
QOU325
Quantity
Shop with Confidence
Add an extra year of protection in your cart.
Square D QOU325 - 25A 3 Pole Miniature Circuit Breaker
New
Quantity
Similar Items
20A 3 Pole Miniature Circuit Breaker
20A 3 Pole Miniature Circuit Breaker
35A 3 Pole Miniature Circuit Breaker
Description
Built for versatile applications, the Square D QOU325 is a 3-pole, 25A miniature circuit breaker delivering reliable thermal-magnetic protection. The unit-mount design allows for flexible installation into OEM panels and DIN rail setups. It accepts 14-2 AWG wire and comes equipped with reversible line and load lugs. Rated 10 kAIC at 240VAC, this HACR-rated breaker handles standard fault currents effectively. It features a Visi-Trip indicator to quickly identify tripped circuits.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOU325 |
| Series | QOU |
| Amperage | 25A |
| Poles | 3 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 120/240VAC, 48VDC |
| Phase | 3 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QOU |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | OEM Panels, Control Panels, DIN Rail Systems, Enclosures |
| Wire Gauge | 14-2 AWG (Al/Cu) |
| Max Wire | 2 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Mounting Feet, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Reverse Feed |
Product FAQs
5 answersHow is the QOU325 mounted in an enclosure?
While classified as a unit-mount breaker, it offers versatile installation options. It can be flush-mounted, surface-mounted, or snapped directly onto a standard DIN rail within OEM and control panels.
Are the line and load connections on the QOU325 reversible?
Yes, this breaker features reversible slotted box lugs for both the line and load sides. This allows for reverse feeding and provides flexibility when wiring for flush or surface-mounted applications.
Is the QOU325 rated for use with HVAC equipment?
Yes, this breaker is HACR and Switching Duty rated, meaning it is certified to handle the specific electrical demands of heating, air conditioning, and refrigeration equipment.
Can I use a jumper bar with the QOU325?
Yes, Square D manufactures QOU series jumper bar assemblies. These allow multiple QOU circuit breakers to connect to a common power source, reducing wiring complexity in your panel.
How does the QOU325 indicate a tripped circuit?
The breaker includes a visual trip indicator. The handle position clearly shows whether the breaker is in the ON, OFF, or tripped position, allowing for quick identification of electrical faults.
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 106 reviews.
Reviews Summary
Generated by AI from 99 most recent customer reviews
Last updated 5/14/26
Customers say these circuit breakers function properly and arrive quickly. Many reviews highlight fast shipping, competitive pricing, and reliable product condition upon arrival. Users appreciate the wide selection, including hard-to-find models, and note the breakers work as expected for various applications. Common feedback addresses quick order processing and easy website navigation. Most customers report satisfaction with value and delivery speed, with many indicating they will purchase again.
Search
Rating
106 reviews
- HLHOMETIGO L.Verified BuyerReviewingSquare D QOU260 - 60A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/7/26Good thing
i recommend this for you
- RGRobert G.Verified BuyerReviewingSquare D QOU340 - 40A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/3/26Circuit breakers
I appreciate the fact that you had these in stock. my Square D distributor does not seem to stock these anymore and it takes a couple weeks to get. your pricing is inline with theirs.
- THTiffany H.Verified BuyerReviewingSquare D QOU115 - 15A 1 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/28/26Will use Super Breakers again
Arrived in a timely manner. Exactly what we needed for a job.
- CSCary S.Verified BuyerReviewingSquare D QOU250 - 50A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/12/26Just what I ordered
Just what I needed for dock pedestal
- MHMark H.Verified BuyerReviewingSquare D QOU250VH - 50A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/11/26Square D QOU250VH - 50A 2 Pole Miniature Circuit Breaker
Was just what I expected!