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Square D QO170 70 Amp 1-Pole Circuit Breaker
Square D QO170 70 Amp 1-Pole Circuit Breaker

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Square D

Square D QO170 70A 1-Pole 120/240V 10kA Plug-In Circuit Breaker

Out of stock
SKU: QO170 NEW
(0)
$67.00
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Overview

The Square D QO170 is a 70 Amp, 1-pole thermal-magnetic circuit breaker for compatible Square D QO load centers. It provides 10 kA interrupting capacity at 120/240 VAC and uses a plug-in mounting design with a Visi-Trip indicator for fast identification of a tripped circuit.

Key Features

  • Protection: Thermal-magnetic overcurrent protection with a 10 kA interrupting rating.
  • Installation: Plug-in mounting for compatible Square D QO load centers.
  • Diagnostics: Visi-Trip indicator helps identify a tripped breaker.
  • Connections: Box-lug terminal accepts 8–2 AWG copper or aluminum conductors.

Specifications

  • Model: QO170
  • Current rating: 70 A
  • Poles: 1
  • Voltage: 120/240 VAC; 48 VDC
  • Interrupting rating: 10 kA at 120/240 VAC
  • Mounting: Plug-in
  • Wire range: 8–2 AWG copper or aluminum
  • Terminal: Box lug
  • Certifications: UL Listed, CSA Certified, HACR rated
  • Operating temperature: 104°F (40°C)

Common Applications

  • Residential branch-circuit protection in compatible Square D QO load centers.
  • High-current 120/240 VAC loads requiring a 70 A single-pole breaker.
  • Replacement or expansion of existing QO electrical panels where QO170 is specified.
  • Light-commercial distribution equipment approved for Square D QO breakers.

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
  • Breaker Type Thermal Magnetic and Regular Breaker
  • Frame Type NA
  • Phase 1 Phase
  • Pole 1 Pole
  • Voltage 120/240V
  • Amp 70
  • AIC Interrupting Rating 10 kA
  • Terminal Connection Box Lug
  • 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