Square D QOB130VH-1021 QOB130VH1021 - 30A 1 Pole Miniature Circuit Breaker
- 30A
- 1 Pole
- Bolt-On
Quantity
Square D QOB130VH1021 - 30A 1 Pole Miniature Circuit Breaker
New
Quantity
Description
Integrating remote tripping capabilities, this 30A device includes a factory-installed 120/208/240VAC shunt trip mechanism for emergency power-off applications. The single-pole unit mounts into Square D NQ and NQOD panelboards, providing a secure bolt-on connection alongside a 22kAIC fault rating. Facility managers benefit from the combination of high interrupting capacity, HACR certification, and the visual Visi-Trip indicator for streamlined maintenance.Specifications
| Brand | Square D |
|---|---|
| Part Number | QOB130VH-1021 |
| Series | QOB |
| Amperage | 30A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC |
| Phase | 1 |
| AIC Rating | 22kA @ 120/240VAC |
| 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 | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed |
| Available Options | Auxiliary Switch, Alarm Switch, Padlock Attachment |
|---|---|
| Accessories | Shunt Trip (Factory Installed), Load Side Lugs Included |
| Standards | UL 489, CSA C22.2 No. 5, HACR |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Visual Trip Indicator, Quick-Make/Quick-Break, Trip-Free Mechanism |
Product FAQs
9 answersWhat does the "-1021" suffix mean on the QOB130VH-1021?
The -1021 suffix indicates that this breaker includes a factory-installed 120/240VAC shunt trip mechanism, which allows for remote tripping of the circuit breaker.
How many panel spaces does the QOB130VH-1021 require?
Although it is a 1-pole breaker, the factory-installed shunt trip requires an additional pole space. Therefore, it takes up two pole spaces in the panelboard.
What is the difference between QO and QOB breakers for panelboard compatibility?
QOB breakers like the QOB130VH-1021 feature a bolt-on mounting style designed for commercial NQ and NQOD panelboards. Standard QO breakers are plug-on and are typically used in residential QO load centers.
What does the "VH" in the QOB130VH-1021 catalog number signify?
The "VH" designates a high interrupting rating. For this QOB breaker, it signifies an interrupting capacity of 22kAIC at 120/240VAC, which is higher than the 10kAIC rating found on standard QOB breakers.
How do I terminate wiring on the QOB130VH-1021?
This breaker utilizes pressure plate terminals that accept 14 AWG to 8 AWG aluminum or copper wire. Ensure proper torque is applied according to the manufacturer specifications during installation.
Does the QOB130VH-1021 feature a visual trip indicator?
Yes, Square D QOB breakers feature a Visi-Trip indicator. When the breaker trips due to an overcurrent or via the remote shunt trip, the handle snaps to a midpoint position and a highly visible red indicator appears.
How does the thermal-magnetic trip function operate on the QOB130VH-1021?
The thermal element provides long-time protection by heating up and tripping during sustained overloads. The magnetic element provides instantaneous protection, tripping immediately when it detects a high-level short circuit.
Can I add or remove the shunt trip on the QOB130VH-1021 in the field?
No. The 120/240VAC shunt trip, indicated by the -1021 suffix, is a factory-installed accessory. It cannot be added to a standard breaker or removed from this unit in the field.
What is the primary application for the shunt trip on the QOB130VH-1021?
The factory-installed shunt trip allows the circuit breaker to be tripped remotely by applying a 120/240VAC voltage signal to the accessory terminals. This is commonly used for emergency power-off systems or remote equipment shutdown.
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Reviews
Review summary
Customers rate this product 4.9 out of 5 based on 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.