Square D QOB215H Miniature Circuit Breaker
- 15A
- 2 Pole
- Bolt-On
Square D
QOB215H
Miniature Circuit Breaker
Brand
Square D
SKU
QOB215H
Quantity
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Square D QOB215H - 15A 2 Pole Miniature Circuit Breaker
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Description
Part of the industry-leading QO series, the QOB215H provides robust overcurrent protection for commercial and industrial electrical systems. This 15-amp, two-pole unit is specifically rated for 240V AC applications, making it a versatile choice for demanding environments. It bolts firmly into Square D NQ and legacy NQOD panelboards, ensuring a secure connection that resists vibration. The pressure plate terminals accommodate 14-8 AWG wiring for straightforward installation.Specifications
| Brand | Square D |
|---|---|
| Series | QOB |
| Amperage | 15A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 240VAC, 10kA @ 120/240VAC, 5kA @ 48VDC |
| Frame Type | QO |
|---|---|
| Terminal Type | Pressure Plate |
| For Use With | NQ Panelboards, NQOD Panelboards |
| Wire Gauge | 14-8 AWG (Cu/Al) |
| 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 | Padlock Attachment |
|---|---|
| Accessories | Load Side Lugs Included |
| Standards | CSA C22.2 No. 5, HACR, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Visual Trip Indicator |
Product FAQs
8 answersWhat panelboards are compatible with the QOB215H?
The QOB215H is designed exclusively for bolt-on installation in Square D NQ and legacy NQOD panelboards. It cannot be used in standard QO load centers, which require plug-on breakers.
How does the QOB215H secure to the panelboard bus?
It uses a bolt-on connection that fastens directly to the panelboard bus bar. This bolted design provides a secure, high-retention connection that is ideal for commercial and industrial environments where vibration is a concern.
Does the QOB215H feature a tripped circuit indicator?
Yes, it includes the Square D Visi-Trip indicator. When the breaker trips due to an overload or short circuit, a highly visible red flag appears in the indicator window, allowing electricians to quickly identify the tripped circuit.
Is the QOB215H suitable for HVAC applications?
Yes, this breaker is HACR rated. It is approved for use with heating, air conditioning, and refrigeration equipment that specifies HACR-type circuit breakers for branch circuit protection.
Can the QOB215H be used in DC control circuits?
Yes, while primarily used for 120/240VAC and 240VAC systems, this breaker is also rated for 48VDC applications with a 5kA interrupting capacity.
What is the difference between the QOB215H and the QOB215VH?
The QOB215H has a standard interrupting rating of 10kA at 240VAC. The QOB215VH is the high-interrupting variant, rated for 22kA at 120/240VAC. Electricians must verify the available fault current at the panel to select the correct breaker.
What is the plug-on equivalent of the QOB215H?
The plug-on equivalent is the QO215H. The B in the QOB215H part number designates its bolt-on mounting style, which is required for commercial NQ and NQOD panelboards rather than residential QO load centers.
How does the thermal-magnetic trip unit in the QOB215H operate?
The thermal element provides long-time protection by tripping in response to sustained overloads, preventing wire overheating. The magnetic element provides instantaneous protection, tripping immediately when it detects a high-current 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