Free shipping on orders over $90

Expedited options are available at checkout.

3 PM shipping cutoff

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

Up 24 months warranty.

24 months for NEW and 12 months for RECONDITIONED.

30-day returns

For unopened, unused items in original packaging. Contact us before returning.

Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 1
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 2
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 3
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 4
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 5
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 1
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 2
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 3
Square D QO290 90A 2-Pole 120/240V QO Circuit Breaker - product image 4
Square D QO290 90A 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 QO290 90A 2-Pole 120/240V QO Circuit Breaker

In stock
SKU: QO290 NEW
(0)
$65.00
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Overview

The Square D QO290 is a 90A two-pole thermal-magnetic circuit breaker for 120/240V QO load centers. Its plug-in mounting and common-trip design provide dependable protection for larger residential and light-commercial loads.

Key Features

  • 90A, 2-pole, 120/240V AC protection with 10 kA interrupt capacity.
  • Plug-in QO mounting with clear Visi-Trip handle indication.
  • Box-lug terminals for #4-2/0 AWG copper or aluminum conductors.
  • UL Listed, CSA certified, and HACR rated for compatible QO panels.

Specifications

  • Model QO290; QO series; 90A; 2-pole; 120/240V
  • Trip: Common thermal-magnetic; mounting: plug-in
  • Wire range: #4-2/0 AWG Cu/Al

Common Applications

  • Large HVAC and heat-pump circuits
  • Electric water heaters and ranges
  • QO panel replacements and 90A feeder circuits

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 QO290
  • Breaker Type Thermal Magnetic and Regular Breaker
  • Frame Type NA
  • Phase 1 Phase
  • Pole 2 Pole
  • Voltage 120/240V
  • Amp 90
  • AIC Interrupting Rating 10 kA
  • Terminal Connection Box Lugs
  • Minimum Wire Gauge 4 AWG
  • Maximum Wire Gauge 2/0 AWG
  • Mounting Type Plug-ON,IN
  • Temperature Rating 104°F (40°C)
  • Certifications UL Listed, CSA Certified, and HACR Rated