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Square D QOM70VH Miniature Circuit Breaker
- 70A
- 2 Pole
- Bolt-On
Square D
QOM70VH
Miniature Circuit Breaker
Brand
Square D
SKU
QOM70VH
Quantity
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Square D QOM70VH - 70A 2 Pole Miniature Circuit Breaker
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Description
Providing substantial current capacity for residential applications, this 70-amp main disconnect secures the entire panel against damaging electrical faults. The unit incorporates fixed thermal and magnetic trip elements for consistent, long-term reliability. Integration into existing infrastructure is seamless, as it bolts into Square D QO and Homeline load centers utilizing the QOM1 footprint. With a 22 kAIC interrupting rating and Visi-Trip flag, it ensures superior safety and maintenance.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOM70VH |
| Series | QOM |
| Amperage | 70A |
| 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 (QOM1 Main), Homeline Load Centers (QOM1 Main) |
| 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 Thermal, Fixed Magnetic |
| 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, High Interrupting Capacity, Main Breaker |
Product FAQs
6 answersWhich load centers are compatible with the QOM70VH main breaker?
The QOM70VH is a QOM1 frame size main breaker. It is designed for field installation in Square D QO and Homeline load centers, as well as CSED devices, that accept QOM1 main breakers.
What is the difference between the QOM70 and the QOM70VH?
The primary difference is the interrupting rating. The standard QOM70 has a 10kAIC rating, while the QOM70VH features a higher 22kAIC rating for environments with higher available fault current.
What is the recommended lug torque for the QOM70VH?
The box lugs on the QOM70VH should be torqued to 53.1 lb-in (6 N.m) when using 4 AWG to 2/0 AWG aluminum or copper wire.
Can I use the QOM70VH as a branch breaker?
No, the QOM1 frame is specifically designed to be used as a main breaker in compatible QO and Homeline load centers. It is not designed to mount onto the bus bar as a standard branch circuit breaker.
Does the QOM70VH require a separate hold-down kit?
No, the QOM70VH is a bolt-on main breaker that secures directly to the load center's main breaker mounting studs. A separate hold-down kit is not required for installation.
What does the LI trip function code mean on this breaker?
The LI designation indicates that the breaker uses a thermal-magnetic trip unit providing Long-Time (L) protection against overloads and Instantaneous (I) protection against short circuits.
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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.