Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 2
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Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 4
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 5
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 6
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Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 8
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 9
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 2
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 3
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 4
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 5
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 6
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 7
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 8
Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker - Image 9

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Square D

Square D QO QO340 40A, 3P, 120/240V, Thermal Magnetic, Circuit Breaker

Out of stock
SKU: QO340 UPC: 785901400769
(0)
$66.00
-27% $90.00 $66.00
Out of stock
Condition

Square D QO340: 40 Amp, 3-Pole, Thermal Magnetic circuit breaker, 120/240V, 10kA interrupt, plug-in mounting, HACR Rated, UL Listed, CSA Certified.

  • Manufacturer: Schneider Electric
  • Brand: Square D
  • Product Range: QO (for Square D QO load centers, NQ/NQOD panelboards, OEM mounting bases, and Speed-D switchboard distribution panels)
  • UPC: 785901400769
  • Model Number: QO340
  • Breaker Type: Thermal Magnetic Miniature Circuit Breaker
  • Amperage: 40 Amps
  • Poles: 3-Pole
  • Voltage: 120/240 Volts AC
  • Interrupt Rating: 10 kAIC
  • Mounting Mode: Plug-in
  • Connections Terminals: Box Lug
  • Wire Size: #14–8 AWG Cu/Al (single conductor); #14–10 AWG Cu (two conductors)
  • Dimensions: Height: 3 in; Width: 2.25 in; Depth: 2.91 in
  • Weight: 0.80 lbs
  • Certifications: UL Listed, HACR Rated, CSA Certified

 

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.