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Square D QOB130EPD GFEP Miniature Circuit Breaker
- 30A
- 1 Pole
- Bolt-On
Square D
QOB130EPD
GFEP Miniature Circuit Breaker
Brand
Square D
SKU
QOB130EPD
Quantity
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Square D QOB130EPD - 30A GFEP Miniature Circuit Breaker
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Description
Rated for 30A circuits, the Square D QOB130EPD provides 30mA ground fault equipment protection. This 1-pole breaker suits industrial loads needing a higher fault threshold than 5mA personnel devices. The bolt-on mechanism installs into Square D NQ and NQOD distribution panels. It accommodates 14-8 AWG copper or 12-8 AWG aluminum wire. Operating at 120VAC with a 10kAIC capacity, it utilizes thermal-magnetic trip technology. The Visi-Trip feature highlights tripped circuits instantly.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOB130EPD |
| Series | QOB |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC |
| Phase | 1 |
| AIC Rating | 10kA @ 120VAC |
| Frame Type | QOB |
|---|---|
| Terminal Type | Pressure Plate |
| For Use With | NQ Panelboards, NQOD Panelboards |
| Wire Gauge | 12-8 AWG (Al), 14-8 AWG (Cu) |
| Max Wire | 8 AWG |
| Min Wire | 12 AWG (Al), 14 AWG (Cu) |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed |
| Special Classification | GFEP |
|---|---|
| Available Options | Padlock Attachment |
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
5 answersCan I install the QOB130EPD in a standard QO load center?
No. The QOB130EPD features a bolt-on connection designed specifically for NQ and NQOD panelboards. Standard QO load centers require plug-on breakers like the QO130EPD.
What is the ground fault trip threshold for this EPD breaker?
The EPD designation indicates it is an Equipment Protection Device with a 30mA ground fault trip threshold. This is designed to protect equipment like heat tracing cables, unlike Class A GFI breakers which trip at 5mA for personnel protection.
How is the neutral connection configured on the QOB130EPD?
This breaker utilizes a pigtail neutral. The coiled white pigtail wire must be connected directly to the panelboard neutral bus, and the load neutral must terminate on the breaker to allow the ground fault circuitry to monitor current imbalance.
What is the plug-on equivalent for the QOB130EPD?
If your installation requires a plug-on connection for a standard QO load center rather than a bolt-on panelboard, the correct catalog number is QO130EPD.
Can this breaker be used in a Square D NF series panelboard?
No. Square D NF panelboards are designed for E-frame breakers like the EDB series. The QOB130EPD is only compatible with NQ and legacy NQOD panelboards.
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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.