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Square D QOM90VH Miniature Circuit Breaker
- 90A
- 2 Pole
- Bolt-On
Square D
QOM90VH
Miniature Circuit Breaker
Brand
Square D
SKU
QOM90VH
Quantity
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Square D QOM90VH - 90A 2 Pole Miniature Circuit Breaker
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Description
Built to handle 90-amp service entrances, this thermal-magnetic main breaker provides reliable whole-panel protection for residential applications. It bolts firmly into Square D QO and Homeline load centers that accept QOM1 frame sizes, establishing a solid connection to the busbar. Delivering a 22kAIC rating at 120/240VAC, the component includes the signature Visi-Trip visual indicator to help homeowners and electricians quickly spot a tripped circuit.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOM90VH |
| Series | QOM |
| Amperage | 90A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| Frame Type | QO |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | QO Load Centers, Homeline Load Centers (QOM1 Frame) |
| 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 |
|---|---|
| Accessories | Lugs Included |
| Standards | CSA C22.2 No. 5, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Visual Trip Indicator, HACR Rated, Main Breaker |
Product FAQs
7 answersCan I use the QOM90VH in both QO and Homeline load centers?
Yes, this QOM1 frame main breaker is compatible with both Square D QO and Homeline load centers that are designed for convertible mains, typically those rated between 100A and 125A.
Will this breaker fit in a panel designed for a QOM2 main breaker?
No. QOM1 and QOM2 frame breakers are not interchangeable. QOM1 breakers fit panels rated up to 125A, while QOM2 breakers are physically larger and designed for 150A to 225A load centers.
What is the difference between the QOM90 and the QOM90VH?
The VH suffix indicates a higher interrupting rating. The QOM90VH is rated at 22kAIC, whereas the standard QOM90 is rated at 10kAIC.
Can the QOM90VH be used as a branch circuit breaker?
No, the QOM90VH is specifically designed to function as a main circuit breaker. It bolts directly to the main lugs area of the busbar and cannot be installed in standard branch breaker spaces.
Does the 22kAIC rating of the QOM90VH allow for series ratings with standard branch breakers?
Yes. When installed as a main breaker, the 22kAIC rating allows compatible load centers to achieve a UL Listed series-connected short-circuit current rating of 22,000 RMS symmetrical amperes when used with standard 10kAIC Square D branch breakers.
Can this main breaker be mounted for bottom-feed applications?
Yes, QOM1 circuit breakers feature a horizontal handle operation and lug orientation that allows for straight-in wiring in both top-feed and bottom-feed load center configurations.
Does this breaker provide ground fault or arc fault protection?
No, the QOM90VH is a standard thermal magnetic main breaker. It provides overload and short-circuit protection for the entire panel but does not include GFCI or AFCI functionality.
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Reviews
Review summary
Customers rate this product 5.0 out of 5 based on 7 reviews.
Total 5 star reviews: 7 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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Rating
7 reviews
- CHCharles H.Verified BuyerReviewingSquare D QOM100VH - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars7/28/25Sq D always makes sense
It fit perfectly in a panel that has a DC at the meter. Now I can wire my Gen circuits.
- MKMONA K.Verified BuyerReviewingSquare D QOM100VH - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/30/25Perfect fit
Perfect fit,quick service! An exact replacement for a 100 amp main breaker. Full power back. AC working again.
- SHSabine H.ReviewingSquare D QOM2150MM - 150A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars8/4/22Service
Service
- DRDerrick R.ReviewingSquare D QOM2100VH - 100A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars12/29/21AWESOME SERVICE AND AVAILABILITY
AWESOME SERVICE. ORDERED AND GOT MY DELIVERY IN ONE DAY! WILL CONTINUE TO USE YOU GUYS IN THE FUTURE!!
- SASamuel A.ReviewingSquare D QOM2200VH - 200A 2 Pole Miniature Circuit BreakerI recommend this productRated 5 out of 5 stars6/6/21Works great as designed
Needed this specific breaker for a drop-in replacement and this was it. I wasn’t disappointed. Superbreakers had it when others didn’t.