Square D QO QOB140 40A 1P 120/240V Standard Bolt-On Circuit Breaker

Square D QOB140: 40 Amp 1-Pole Standard Circuit Breaker, 120/240V, 10kA, Bolt-On, UL Listed, CSA Certified

• Manufacturer: Schneider Electric
• Brand: Square D
• Product Range: QO (for Square D QO loadcenters and equipment)
• UPC: 785901416784
• Model Number: QOB140
• Breaker Type: Standard
• Amperage: 40 Amps
• Poles: 1-Pole
• Voltage: 120/240 Volts AC
• Interrupt Rating: 10 kAIC
• Mounting Mode: Bolt-On
• Connections Terminals: Box lugs
• Wire Size: AWG 8...AWG 2 Cu/Al
• Tightening Torque: 44.3 lb-in
• Dimensions: Height: 3.1 in; Width: 0.7 in; Depth: 2.9 in
• Weight: 0.311 lbs
• Certifications: UL Listed, CSA Certified, HACR Rated

This Square D QOB140 bolt-on circuit breaker provides reliable 40A, 1-pole standard protection for 120/240V circuits in QO loadcenters. With a 10kA interrupting capacity and durable box lug connections, it ensures dependable overcurrent protection and switching for residential and commercial applications.

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.