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Orders placed Monday–Friday before 3 PM ship the same day.

Up 24 months warranty.

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Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 1
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 2
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 3
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 4
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 5
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 1
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 2
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 3
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 4
Square D QO245 45A 2-Pole 120/240V QO Circuit Breaker - product image 5

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 QO245 45A 2-Pole 120/240V QO Circuit Breaker

Only 2 left
SKU: QO245 NEW
(0)
$29.61
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Overview

The Square D QO245 is a 45A two-pole thermal-magnetic plug-in breaker for QO load centers. It protects 120/240V circuits with common trip and a 10 kA interrupt rating.

Key Features

  • 45A, 2-pole, 120/240V AC common-trip protection.
  • Plug-in QO mounting for two panel spaces.
  • Wire range #8-2 AWG copper or aluminum with box-lug connection.
  • UL Listed, CSA certified, and HACR rated for compatible QO panels.

Specifications

  • Model QO245; QO series; 45A; 2-pole; 120/240V
  • Interrupt rating: 10 kA; trip: thermal-magnetic common
  • Wire range: #8-2 AWG Cu/Al

Common Applications

  • 45A HVAC and appliance circuits
  • Electric dryers, water heaters, and workshop loads
  • QO panel replacement and circuit expansion

Free shipping on eligible orders over $90. Our shipping cutoff is 3 PM, Monday–Friday. Available shipping services and delivery estimates are shown at checkout.

See our shipping policy for eligibility and exclusions. Orders are delivered; our warehouse is closed to the public.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.

Product Specifications

  • Brand Square D
  • Series QO
  • Model QO245
  • Breaker Type Thermal Magnetic and Regular Breaker
  • Frame Type NA
  • Phase 1 Phase
  • Pole 2 Pole
  • Voltage 120/240V
  • Amp 45
  • AIC Interrupting Rating 10 kA
  • Terminal Connection Box Lugs
  • Minimum Wire Gauge 8 AWG
  • Maximum Wire Gauge 2 AWG
  • Mounting Type Plug-ON,IN
  • Temperature Rating 104°F (40°C)
  • Certifications UL Listed, CSA Certified, and HACR Rated