Square D QOB340VH 40A 3-Pole Standard – Bolt-On – 120/240V

The Square D QOB340VH is a 40 Amp, 3-Pole standard bolt-on circuit breaker designed for QO loadcenters. It provides reliable overcurrent protection for 120/240V residential and commercial circuits. With a 22 kA interrupt rating, it ensures safe and robust performance in a variety of applications.

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 3-pole overcurrent protection for 120/240V circuits
• Bolt-on design compatible with Square D QO loadcenters
• 22 kA interrupt rating for enhanced safety
• Suitable for residential and commercial applications
• UL, CSA listed and HACR rated

Returns are easy

You may return items within 10 days of delivery for a refund.

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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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In rare circumstances, My Circuit Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

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.