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Square D QOB225EPD GFEP Miniature Circuit Breaker
- 25A
- 2 Pole
- Bolt-On
Square D
QOB225EPD
GFEP Miniature Circuit Breaker
Brand
Square D
SKU
QOB225EPD
Quantity
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Square D QOB225EPD - 25A GFEP Miniature Circuit Breaker
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Description
Rated for 25 amps, the Square D QOB225EPD is a 2-pole equipment protection device. It utilizes a 30mA ground fault threshold to protect machinery in commercial facilities. This unit mounts securely into Square D NQ and NQOD panelboards via a reliable bolt-on connection. Pressure plate terminals accept 14-8 AWG aluminum or copper wiring. Operating at 120/240VAC with a 10kAIC capacity, it combines long-time and instantaneous trip functions. The Visi-Trip indicator simplifies maintenance.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOB225EPD |
| Series | QOB |
| Amperage | 25A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC, 10kA @ 120/240VAC |
| Frame Type | QOB |
|---|---|
| Terminal Type | Pressure Plate |
| For Use With | NQ Panelboards, NQOD Panelboards |
| Wire Gauge | 14-8 AWG (Al/Cu) |
| Max Wire | 8 AWG |
| Min Wire | 14 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed |
| Special Classification | GFEP |
|---|---|
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, Common Trip |
Product FAQs
6 answersCan I install the QOB225EPD in a standard Square D QO load center?
No. The QOB225EPD is a bolt-on circuit breaker designed specifically for Square D NQ and NQOD panelboards. Standard QO load centers require plug-on QO breakers.
What does EPD mean, and how does it differ from a standard GFCI breaker?
EPD stands for Equipment Protection Device. The QOB225EPD has a 30mA ground fault trip threshold designed to protect equipment, such as heat trace cables or well pumps, from damage. It is not designed for personnel protection, which requires a 5mA Class A GFCI breaker.
What is the recommended terminal torque for the QOB225EPD?
The wire binding screws on this 25A QOB breaker should be torqued to 36 lb-in (4 N.m) for both aluminum and copper wiring.
How is the pigtail neutral on the QOB225EPD connected?
The white pigtail wire must be connected directly to the panelboard neutral bar. This connection is required to power the breaker internal ground fault sensing circuitry.
How can I tell if the QOB225EPD has tripped due to a fault?
This breaker features the Square D Visi-Trip indicator. When the breaker trips, the handle moves to the center position and a highly visible red flag appears in the indicator window.
Does the QOB225EPD include a push-to-test feature?
Yes, this equipment protection device includes a built-in test button. Pressing the button simulates a ground fault to verify the 30mA sensing circuitry and mechanical trip mechanism are functioning properly.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 206 reviews.
Reviews Summary
Generated by AI from 100 most recent customer reviews
Last updated 3/11/26
Customers say these electrical breakers arrive exactly as ordered and work perfectly for their intended applications. They consistently praise the competitive pricing, which many report is significantly lower than local suppliers. Fast shipping and prompt delivery are frequently highlighted, with many receiving orders within days or even next-day delivery for urgent needs. The breakers arrive well-packaged and in excellent condition. Many reviews emphasize the company's extensive inventory availability, particularly for hard-to-find breakers. One customer experienced difficulty with order cancellation and was charged a restocking fee, which caused dissatisfaction.
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Rating
206 reviews
- KHKristopher H.Verified BuyerReviewingSquare D QOB120GFI - 20A GFCI Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars9/28/26Great Price!
Great price. Fast delivery. My local electric distributor wanted double for the same breaker, so it was a no brainer to order this one. Ordered another one since with the same great service.
- BLBOOSTIX L.Verified BuyerReviewingSquare D QOB220 - 20A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/17/26QOB220
That's nice breakers!
- PHPaul H.Verified BuyerReviewingSquare D QOB330 - 30A 3 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/5/26Quick shipping and delivery
Shipped and delivered on time for installation at one of our projects. Thank you!
- RMRick M.Verified BuyerReviewingSquare D QOB220 - 20A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/3/26Project Mgr
Just what I needed.
- DHDoug H.Verified BuyerReviewingSquare D QOB220 - 20A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/3/26Square D QOB breakers
As always, our order arrived timely, and accurate. You can’t beat their prices that’s why we have used this company for years.