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Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 1
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 2
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 3
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 4
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 1
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 2
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 3
Square D QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In) - product image 4

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 QO250 50-Amp 2-Pole Thermal-Magnetic Circuit Breaker 120/240V 10kAIC Type QO (Plug-In)

Only 4 left
SKU: QO250 NEW
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$37.81
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Overview

The Square D QO250 is a 50 A, two-pole common-trip QO circuit breaker for compatible Square D QO load centers. It provides plug-in thermal-magnetic protection at 120/240 VAC with a 10 kA interrupting rating.

Key Features

  • Protection: Common-trip thermal-magnetic operation responds to overload and short-circuit conditions.
  • Installation: Plug-in bus mounting with box-lug terminals accepting 8–2 AWG conductors.
  • Compatibility: For compatible Square D QO load centers listed to accept QO250.
  • Performance: 50 A, two-pole, 120/240 VAC operation; UL Listed, CSA certified, and HACR rated.

Specifications

  • Manufacturer / model: Square D QO250
  • Series: QO
  • Current / poles / phase: 50 A, 2 poles, single phase
  • Voltage / interrupting rating: 120/240 VAC, 10 kA
  • Protection: Standard common-trip thermal magnetic
  • Mounting / terminals: Plug-in; box lugs
  • Conductor range: 8–2 AWG
  • Temperature rating: 104°F (40°C)
  • Certifications: UL Listed; CSA certified; HACR rated

Common Applications

  • 50 A two-pole branch and feeder circuits in compatible QO panels.
  • 120/240 V equipment circuits where QO250 is specified.
  • Exact-model replacement after confirming panel labeling, voltage, conductor size, and applicable electrical-code requirements.

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 QO250
  • Breaker Type Thermal Magnetic and Regular Breaker
  • Frame Type NA
  • Phase 1 Phase
  • Pole 2 Pole
  • Voltage 120/240V
  • Amp 50
  • 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