Square D QOB340 40A 3-Pole Standard – Bolt-On – 120/240V
SKU: 61007635331

Square D QOB340 40A 3-Pole Standard – Bolt-On – 120/240V

Sale price$65.25 Regular price$72.50
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Square D QOB340 40A 3-Pole Standard – Bolt-On – 120/240VThe Square D QOB340 40A 3 Pole Standard Bolt On 120 240V circuit breaker provides dependable 40 Amp, 3 pole thermal magnetic protection for residential and commercial 120 240V AC systems. Designed for Square D QO loadcenters and NQ NQOD panelboards, this bolt on breaker features a 10 kAIC interrupt rating, ensuring reliable overcurrent protection. The thermal magnetic trip mechanism and Visi Trip indicator allow for fast fault identification and

The Square D QOB340 40A 3-Pole Standard – Bolt-On – 120/240V  circuit breaker provides dependable 40 Amp, 3-pole thermal-magnetic protection for residential and commercial 120/240V AC systems. Designed for Square D QO loadcenters and NQ/NQOD panelboards, this bolt-on breaker features a 10 kAIC interrupt rating, ensuring reliable overcurrent protection. The thermal-magnetic trip mechanism and Visi-Trip indicator allow for fast fault identification and troubleshooting. With support for copper and aluminum conductors up to AWG 2, it delivers durable and safe performance for branch circuits in both commercial and residential applications.

Voltage and Rating

  • Current Rating: 40 Amps
  • Voltage Rating: 120/240 Volts AC
  • Interrupting Capacity: 10 kAIC
  • Frequency: 50/60 Hz

Key Specifications

  • Breaker Type: Standard (thermal-magnetic)
  • Number of Poles: 3-Pole
  • Mounting Type: Bolt-On
  • Product Range: QO (for Square D QO loadcenters, NQ and NQOD panelboards and equipment)
  • Application: Residential and commercial branch circuit protection
  • Special Features: Thermal-magnetic trip, Visi-Trip indicator
  • Ratings: UL Listed, CSA

Technical Specifications

  • Connection Type: Bolt-on
  • Wire Size: AWG 8–2 Cu/Al
  • Terminal Tightening Torque: 44.3 lb-in
  • Operating Mechanism: Thermal-magnetic
  • Interrupt Rating: 10 kAIC
  • Certifications: UL Listed, CSA

Product Data

  • Manufacturer: Schneider Electric
  • Brand: Square D
  • Model Number: QOB340
  • UPC: 785901417149

Dimensions

    • Height: 3.1 in
    • Width: 2.2 in
    • Depth: 2.9 in
    • Weight: 0.800 lbs
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 61007635331

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 806 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Samantha
Battle Creek, US
★★★★★ 4
Good product misleading size.
Size: Small (Pack of 1), Color: Blue
Really disappointed about the size. It is way too small for my berniedoodle. He still likes it for play but I’m afraid he might swallow it. It’s very sturdy tho and is chew resistant. I guess I didn’t pay attention to the size. Looked big in the picture.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
J
Verified Purchase
Jess M
Boise, US
★★★★★ 5
Must have item for dogs!!!
Size: Medium (Pack of 1), Color: Pink
The puppy kong is a must have item for every new puppy owner. Super cute!! They usually will last forever (unless you have a super chewer then you need the black one). Great value!! Keeps the puppy busy and entertained. Especially when frozen. Google and the Kong website have tons of recipes. I tend to stick with a little bit of kibble some mashed banana and peanut butter. Also, good options are jars or pouches of baby food just make sure you check the label to ensure there is nothing toxic to dogs in it. More options are kibble soaked in water or broth, pumpkin puree, green beans and carrots. I could go on forever. If you own a dog, a Kong is a must have! I always have two ready to go. And they are dishwasher safe!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026
B
Verified Purchase
Bill
Bozeman, US
★★★★★ 5
Keeps her occupied!
Size: Extra Small (Pack of 1), Color: Pink
It works very well when sruffed with a healthy, soft treat. It keeps our little teething scamp busy for a while and stops her from chewing on household items including her humans!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
M
Verified Purchase
M Velez
Battle Creek, US
★★★★★ 5
Teeny Tiny Terrific Toy
Size: Extra Small (Pack of 1), Color: Pink
Perfect for a mini puppy! So teeny tiny; it cracks me up looking at it!! However, my little dog (10 week old Cavapoo) absolutely loves playing with it! It’s her fav! You can stuff 2-5 tiny treats in it to keep puppy occupied and focused.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
N
Verified Purchase
Nori Ochi
Belleville, US
★★★★★ 5
Must have for a young puppy
Size: Small (Pack of 1), Color: Blue
Very helpful for our young puppy. Cleaning it isn't the easiest, but cleaning advice is easily found online and it's worth the hassle to have a durable lasting toy around
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026

recommand products