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Description
Square D QOB340VH 40A 3-Pole Standard – Bolt-On – 120/240VThe Square D QOB340VH is a 40 Amp, 3 Pole standard bolt on circuit breaker designed for QO loadcenters. It provides reliable protection for 120 240V residential and commercial circuits, with a 22 kAIC interrupt rating for robust overcurrent protection and safe switching operations. Electrical Specifications Breaker Type: Standard Amperage: 40 Amps Poles: 3 Pole Voltage: 120 240 Volts AC Interrupt Rating: 22 kAIC Mechanical & Mounting Specifications
The Square D QOB340VH is a 40 Amp, 3-Pole standard bolt-on circuit breaker designed for QO loadcenters. It provides reliable protection for 120/240V residential and commercial circuits, with a 22 kAIC interrupt rating for robust overcurrent protection and safe switching operations.
Electrical Specifications
- Breaker Type: Standard
- Amperage: 40 Amps
- Poles: 3-Pole
- Voltage: 120/240 Volts AC
- Interrupt Rating: 22 kAIC
Mechanical & Mounting Specifications
- Mounting Mode: Bolt-On
- Connection Terminals: Box lugs
- Wire Size Range: AWG 8–2 Cu/Al
- Tightening Torque: 39.8 lb-in
Certifications
- UL Listed
- CSA Certified
- HACR Rated
Physical Dimensions
-
- Height: 3.1 in
- Width: 2.2 in
- Depth: 2.9 in
- Weight: 1.049 lbs
Key Features
- Reliable 40A, 3-Pole protection for 120/240V circuits
- Bolt-on design compatible with Square D QO loadcenters
- 22 kAIC interrupt rating ensures safe overcurrent protection
- Box lug terminals for secure wiring connections
- Suitable for residential and commercial applications
- UL, CSA listed and HACR rated
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 445 reviews
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Product Reviews
★★★★★ 5
Great Kitchen Purchase
Color: Stainless Steel, Size: Medium Size, Color: Stainless Steel, Size: Medium Size
I didn’t realize how much I needed a kitchen scale until I got this. It’s really accurate and makes cooking (especially baking) so much easier and more consistent.
The tare function is a game changer—you can zero out the bowl and keep adding ingredients without extra measuring cups. It’s also easy to switch between grams and ounces, which is great for following different recipes. Most digital scales measure very precisely, often down to about 1 gram, which makes a big difference for accuracy.
It’s compact, easy to clean, and doesn’t take up much space on the counter. Overall, such a simple tool but makes a big difference—definitely worth having in any kitchen.
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Reviewed in the United States on April 8, 2026
★★★★★ 5
Great little scale!
Color: Stainless Steel, Size: Medium Size
Love this little guy! It's small I use it for all my meals. When in a rush I can just toss it in my lunch box and use it at work. Super convenient. It sits on my counter no bigger than a side plate. Worth the money!
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Reviewed in the United States on May 19, 2026
★★★★★ 4
Food scale
Color: Stainless Steel, Size: Medium Size, Color: Stainless Steel, Size: Medium Size
This product is worth the price. The only thing is that it kind of doesn’t work sometimes when you are trying to switch the unit and you might have to double click (as shown in my video) other than that the product works perfect for measuring my food and even my liquids. It’s the perfect size not too big and bulky but it also isn’t that small. As you can see in my picture it’s small enough to fit in my drawer (I don’t like to leave it on my counter) it’s a tiny bit bigger than an Alexa.i also like that the price isn’t to high . I would definitely recommend this product! It’s a sturdy product it doesn’t move when you’re putting any items on it. It’s easy to clean off as well. Another thing is it takes batteries ( it takes AAA batteries, just 2 of them) and I liked how it came with batteries inside of them already .
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Lightweight, accurate, and perfect for everyday use
Color: Stainless Steel, Size: Medium Size
This kitchen scale is a great tool for anyone doing meal prep, baking, or tracking food. It’s lightweight and compact, so it doesn’t take up much space and is easy to store when not in use.
Accuracy is spot on—it measures consistently in grams and ounces, which is perfect for portion control and precise recipes. The tare function works smoothly, making it easy to weigh multiple ingredients in one container.
The stainless steel surface is a nice touch—it looks clean and is easy to wipe down after use. The display is clear and easy to read, even in lower light.
For the price, it’s hard to beat. It does exactly what you need without any unnecessary extras.
Pros:
-Lightweight and compact
-Accurate and consistent measurements
-Easy-to-use tare function
-Stainless steel surface (easy to clean)
-Great value
Cons:
-Small size may not fit very large bowls
-Basic features (no advanced tracking)
Overall: A reliable, no-frills kitchen scale that gets the job done. Perfect for meal prep, dieting, and everyday cooking.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Accurate, Easy to Use, and Reliable
Color: Stainless Steel, Size: Medium Size
I love the Etekcity Food Kitchen Scale! It’s accurate, easy to use, and switches quickly between grams and ounces. Compact, easy to clean, and perfect for cooking or baking. Great value for the price!
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Reviewed in the United States on April 24, 2026