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Square D QOB280VH Miniature Circuit Breaker
- 80A
- 2 Pole
- Bolt-On
Square D
QOB280VH
Miniature Circuit Breaker
Brand
Square D
SKU
QOB280VH
Quantity
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Square D QOB280VH - 80A 2 Pole Miniature Circuit Breaker
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Description
Offering elevated fault protection, the Square D QOB280VH is a 2-pole, 80-amp miniature circuit breaker designed for commercial environments. This unit installs into Square D NQ and NQOD panelboards, utilizing a bolt-on mounting style to prevent loose connections. It accepts 4 AWG to 2/0 AWG wiring. The breaker features a 22kAIC rating at 120/240VAC for systems requiring higher interrupting capabilities, plus a Visi-Trip indicator for quick diagnostics.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOB280VH |
| Series | QOB |
| Amperage | 80A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 240VAC, 22kA @ 120/240VAC |
| Frame Type | QOB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Square D NQ Panelboards, Square D NQOD Panelboards |
| Wire Gauge | 4 AWG - 2/0 AWG (Al/Cu) |
| Max Wire | 2/0 AWG |
| Min Wire | 4 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Standards | UL 489, CSA C22.2 No. 5, HACR |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, High Interrupting Capacity, RoHS Compliant |
Product FAQs
6 answersWhat panelboards are compatible with the QOB280VH?
The QOB280VH is a bolt-on circuit breaker designed exclusively for Square D NQ and NQOD panelboards. It will not fit in standard QO load centers, which require plug-on breakers.
What is the plug-on equivalent for the QOB280VH?
The plug-on equivalent for standard QO load centers is the QO280VH.
What does the VH suffix indicate on this breaker?
The VH suffix indicates a high interrupting rating of 22kAIC at 120/240VAC, compared to the standard 10kAIC rating found on standard QOB breakers like the QOB280.
What is the recommended terminal torque for the QOB280VH?
The box lugs on this 80A breaker should be torqued to 49.6 lb-in (5.6 N.m) when using the specified 4 AWG to 2/0 AWG aluminum or copper wire.
Does the QOB280VH provide GFCI or AFCI protection?
No, this is a standard thermal-magnetic breaker providing long-time and instantaneous (LI) trip functions for overload and short-circuit protection. It does not include ground-fault or arc-fault circuitry.
Does the QOB280VH feature a tripped circuit indicator?
Yes, it includes the Square D Visi-Trip indicator, which displays a highly visible red flag when the breaker has tripped due to an overload or short circuit.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 205 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
205 reviews
- 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.
- RKRyan K.Verified BuyerReviewingSquare D QOB230VH - 30A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/1/26Awesome
Worked great