Square D, QO, QOB31001021, 100A, 3P, 120/240V, 10kA, Thermal Magnetic Shunt Trip, Bolt-On, Circuit Breaker
BULK ORDER Quote.
How Bulk Order Discounts Work
We partner with Cart Whisper to make bulk ordering fast and simple. You can build your cart normally, then submit the entire cart to our team so we can apply bulk pricing and send you a custom quote.
1) Add everything you need to your cart
Shop the site and add all the products and quantities you want — just like a normal order.
2) Open your cart drawer and submit your cart
When you open the cart drawer, you’ll see a Cart Whisper section that looks like this:
Need Help? Cart ID: ####
Submit Cart to Support
Click “Submit Cart to Support” to send your cart to our team.
3) Fill out the quick form
After clicking the submit button, a form will pop up. Please enter:
-
Name
-
Email
-
Short message (what you want / any special notes)
✅ Important: Include your shipping address in the message.
That helps us quote your order accurately, including shipping and taxes (if applicable).
4) We review and send your custom quote
Once we receive your cart submission, we’ll:
-
Review your cart items and quantities
-
Apply any eligible bulk discounts
-
Send you a custom quote with final pricing (and shipping/tax if applicable)
What to include in your message (recommended)
To speed things up, copy/paste this format into the message box:
-
Shipping Address:
-
Notes / Special requests:
Square D QOB31001021: 100 Amp, 3-Pole, thermal magnetic circuit breaker with AC shunt trip, 120/240V, 10kA interrupt rating, bolt-on mounting, HACR rated, UL listed.
-
Manufacturer: Schneider Electric
-
Brand: Square D
-
Product Range: QO / QOB (for Square D QO and QOB loadcenters and panelboards)
-
UPC: 785901031024
-
Model Number: QOB31001021
-
Breaker Type: Thermal Magnetic Circuit Breaker with AC Shunt Trip
-
Amperage: 100 Amps
-
Poles: 3-Pole
-
Voltage: 120/240 Volts AC
-
Interrupt Rating: 10 kAIC
-
Mounting Mode: Bolt-On
-
Connection Terminals: Box Lugs
-
Wire Size: #4–2/0 AWG Cu/Al
-
Tightening Torque: 49.6 lb-in
-
Dimensions: Height: 3.50 in; Width: 3.00 in; Depth: 2.90 in
-
Weight: 1.349 lbs
-
Certifications: UL Listed, CSA Certified, HACR Rated
-
Trip Sensitivity: Not Applicable
This Square D QOB31001021 100A 3-pole bolt-on thermal magnetic circuit breaker with AC shunt trip provides reliable overcurrent protection and remote tripping capability for 120/240V systems in QO and QOB loadcenters and panelboards, supporting commercial and industrial control applications.
New Condition
- Products in new condition are unused and in their original state.
- Backed by our 24-month warranty, ensuring reliability and peace of mind.
Reconditioned Condition
- Products in reconditioned condition are previously owned but have been professionally tested and inspected to ensure full functionality.
- May include minor repairs, such as replacing damaged screws, but are not fully refurbished.
- Covered by our 12-month warranty, guaranteeing performance.
Free Shipping on Orders Over $250
Enjoy free standard shipping on all orders over $250!
- Applies to the contiguous United States
- Excludes Alaska, Hawaii, U.S. territories, and oversized items
- No promo code needed—free shipping is automatically applied at checkout when your order total is $250 or more.
For full details, please refer to our Shipping Policy.
30-Day Hassle-Free Returns
Your satisfaction is our priority!
- Free returns within 30 days of purchase
- If you're not completely satisfied, we've got you covered!
For complete terms, please refer to our Return Policy.
