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

The Square D QOB320 bolt-on circuit breaker provides dependable 20A, 3-pole protection for 120/240V circuits. Designed for Square D QO load centers and panelboards, this standard breaker delivers reliable performance with a 10 kAIC interrupt rating for residential and commercial electrical systems.

Voltage and Rating

• Amperage: 20 Amps
• Poles: 3-Pole
• Voltage Rating: 120/240 Volts AC
• Interrupting Capacity: 10 kAIC

Key Specifications

• Breaker Type: Standard
• Mounting Type: Bolt-On
• Product Range: QO
• Application: Branch circuit protection
• Compatible Panels: Square D QO load centers and panelboards

Technical Specifications

• Wire Size Range: AWG 14–8 Cu/Al
• Connection Terminals: Pressure plate
• Terminal Tightening Torque: 35.4 lb-in
• Certifications: UL Listed, CSA Certified, HACR Rated

Product Data

• Manufacturer: Schneider Electric
• Brand: Square D
• Model Number: QOB320
• UPC: 785901417095

Dimensions

• • Height: 3.0 in
  • Width: 2.2 in
  • Depth: 2.9 in
  • Weight: 0.800 lbs

Returns are easy

You may return items within 30 days of delivery for a refund.

FREE Shipping on orders over $149.

My Circuit Breakers offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

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My Circuit Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer). Extended warranties are available upon request.