Square D QOUQ250 Miniature Circuit Breaker
- 50A
- 2 Pole
- Unit Mount
Square D
QOUQ250
Miniature Circuit Breaker
Brand
Square D
SKU
QOUQ250
Quantity
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Square D QOUQ250 - 50A 2 Pole Miniature Circuit Breaker
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Quantity
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Description
Supplying 50 amps of reliable overcurrent protection, this unit mount breaker is optimized for fast assembly with load-side quick connect terminals. It integrates easily into DIN rail systems, control panels, and custom OEM enclosures without requiring specialized mounting hardware. The 10kAIC rated component features a common trip mechanism, HACR certification for HVAC loads, and a Visi-Trip indicator to simplify maintenance troubleshooting.Specifications
| Brand | Square D |
|---|---|
| Series | QOU |
| Amperage | 50A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QOU |
|---|---|
| Terminal Type | Lugs |
| For Use With | DIN Rail Systems, OEM Panels, Enclosures |
| Wire Gauge | 14-2 AWG |
| 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, Shunt Trip, Auxiliary Switch |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489, HACR Rated |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator, Common Trip |
Product FAQs
6 answersWhat is the difference between the QOU250 and the QOUQ250?
The QOUQ250 is identical to the standard QOU250 but features permanent, factory-installed four-point quick-connect terminals on the load (OFF) end. These terminals accommodate up to four 1/4-inch insulated female quick-connect wire terminations.
How many quick-connect wires can I attach to the load side of the QOUQ250?
The factory-installed quick-connect terminal on the load side can accept up to four 1/4-inch insulated female quick-connect wire terminations per pole. The total ampacity of all connected wires must not exceed the 50A rating of the breaker.
Can I use standard QOU accessories with the QOUQ250?
Yes, QOUQ circuit breakers use the same electrical accessories and mounting hardware as standard QOU breakers, including DIN rail mounting feet and padlocking devices.
Does the QOUQ250 plug into a standard QO load center?
No, QOU and QOUQ series breakers are unit-mount breakers designed for DIN rail systems, OEM panels, and enclosures. They do not plug onto the busbars of standard QO load centers.
What is the maximum wire size accepted by the line side lugs on this breaker?
The slotted box lugs on the line side of the QOUQ250 accept aluminum or copper wire sizes from 14 AWG up to 2 AWG.
Is the QOUQ250 suitable for use in HVAC equipment?
Yes, this breaker is HACR rated, making it suitable for heating, air conditioning, and refrigeration applications.
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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.
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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!