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Square D QOU115 Miniature Circuit Breaker
- 15A
- 1 Pole
- Unit Mount
Square D
QOU115
Miniature Circuit Breaker
Brand
Square D
SKU
QOU115
Quantity
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Square D QOU115 - 15A 1 Pole Miniature Circuit Breaker
New
Quantity
Quantity
Square D QOU115 - 15A 1 Pole Miniature Circuit Breaker
New
Quantity
| Brand | Square D |
|---|---|
| Part Number | QOU115 |
| Series | QOU |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QOU |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | DIN Rail Systems, OEM Panels, 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 |
| Available Options | Mounting Feet, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Visual Trip Indicator, Reverse Feed |
Sold out
Quantity
Square D QOU115 - 15A 1 Pole Miniature Circuit Breaker
Re-Certified
Quantity
| Brand | Square D |
|---|---|
| Part Number | QOU115-R |
| Series | QOU |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QOU |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | DIN Rail Systems, OEM Panels, 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 |
| Available Options | Mounting Feet, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Visual Trip Indicator, Reverse Feed |
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Description
Part of the Square D QOU family, this 1-pole, 15-amp miniature circuit breaker is engineered for residential, commercial, and industrial use. It delivers dependable overcurrent and short-circuit protection. Designed for maximum mounting flexibility, the breaker installs onto standard DIN rails or mounts flush and surface-style in OEM enclosures. It comes equipped with reversible line and load box lugs that accommodate 14-2 AWG wire.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOU115 |
| Series | QOU |
| Amperage | 15A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QOU |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | DIN Rail Systems, OEM Panels, 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 |
| Available Options | Mounting Feet, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, IEC, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, SWD Rated, Visual Trip Indicator, Reverse Feed |
Product FAQs
8 answersCan I install the Square D QOU115 in a standard QO load center?
No. The QOU115 is a unit mount miniature circuit breaker designed for OEM panels, enclosures, and DIN rail systems. It does not have the plug-on mounting required for standard QO or Homeline load centers.
Is the QOU115 circuit breaker rated for switching duty?
Yes, this 15 amp breaker is SWD rated. This means it is approved for the regular switching of 120V fluorescent lighting loads.
Does this breaker carry a HACR rating?
Yes, the QOU115 is HACR rated, making it suitable for overcurrent protection in heating, air conditioning, and refrigeration equipment.
What is the tightening torque required for the box lugs?
The slotted box lug terminals on this breaker should be torqued to 45 lb-in when terminating 14 to 2 AWG aluminum or copper conductors.
Are the line and load connections reversible on the QOU115?
Yes. It features field reversible slotted box lugs on both the line and load sides, allowing for flexible wiring orientations and flush or surface mount wiring.
Is there a visual indicator to show when the breaker has tripped?
Yes, it features the Square D Visi-Trip indicator. When the breaker trips, a highly visible red indicator appears in the window to easily identify the faulted circuit.
Does the QOU115 provide ground fault or arc fault protection?
No. This is a standard thermal magnetic breaker designed strictly for overload and short circuit protection. It does not contain GFCI or AFCI circuitry.
What type of DIN rail is required to mount this breaker?
When used in a DIN rail system, the QOU115 is compatible with standard 35mm symmetrical DIN rails.
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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.
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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.
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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!