Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 2
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 3
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 4
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 5
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 6
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 7
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 8
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 9
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 2
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 3
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 4
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 5
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 6
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 7
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 8
Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker - Image 9

Disclaimer: Actual product colors may vary slightly from the images shown due to different monitor settings and lighting conditions during photo shoots.

Square D

Square D QO QOB320 20A 3P 120/240V Standard Bolt-On Circuit Breaker

Out of stock
SKU: QOB320 UPC: 785901417095
(0)
$44.95
-25% $60.00 $44.95
Out of stock
Condition

Square D QOB320: 20 Amp 3-Pole Standard Circuit Breaker, 120/240V, 10kA, bolt-on mount, UL listed, CSA certified.

  • Manufacturer: Schneider Electric
  • Brand: Square D
  • Product Range: QO (for Square D QO loadcenters and equipment)
  • UPC: 785901417095
  • Model Number: QOB320
  • Breaker Type: Standard
  • Amperage: 20 Amps
  • Poles: 3-Pole
  • Voltage: 120/240 Volts AC
  • Interrupt Rating: 10 kAIC
  • Mounting Mode: Bolt-on
  • Connections Terminals: Pressure plate
  • Wire Size: AWG 14-8 Cu/Al
  • Tightening Torque: 35.4 lb-in
  • Dimensions: Height: 3.0 in; Width: 2.2 in; Depth: 2.9 in
  • Weight: 0.800 lbs
  • Certifications: UL Listed, CSA Certified, HACR Rated

This Square D QOB320 bolt-on circuit breaker delivers reliable 20A, 3-pole protection for 120/240V circuits in QO loadcenters. Designed for residential and commercial applications, it ensures dependable performance with a 10kA interrupt rating.

There is a $15 charge for delivery under $250 orders. Additional charges will be imposed by our couriers for delivery to remote areas, a surcharge may be levied to cover carriage to these areas.

Warranty Coverage

We stand behind every product we sell. Coverage depends on the condition of the item at time of purchase:

  • New: 12-month warranty
  • New Open Box: 10-month warranty
  • Reconditioned: 90-day warranty

Warranty coverage begins on the date of delivery and covers manufacturing and functional defects under normal use. It does not cover damage from misuse, improper installation, or unauthorized repair. To make a warranty claim, contact us at support@breakersmart.com with your order number and a description of the issue.