Square D QO 2-Pole Main Circui...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$217.37
Square D QO 2-Pole Main Circuit Breaker, 120/240VAC, 22kA

Square D QO 2-Pole Main Circuit Breaker, 120/240VAC, 22kA

(No reviews yet) Write a Review

Model: 64594

In Stock (leaves warehouse same day if ordered before 3pm ET)

$217.37
Adding to cart… The item has been added
Free Shipping on orders over $199
We price match and offer bulk discounts! Click Add to Quote. It's quick and easy.
✨
Earn points with this purchase! You can redeem points for giftcards, iPads, XBox's and more. View Rewards
Free Keying on all locks
You may also like

Square D QO 2-Pole Main Circuit Breaker, 120/240VAC, 22kA

The Square D QO 2-Pole Main Circuit Breaker is designed for use with metering devices, delivering reliable overcurrent protection and switching on ac systems. Rated 120/240VAC with a 22kA interrupting rating, this bolt-on breaker features an over-center, trip-free toggle mechanism with quick-make, quick-break action. Part of the QO range, it is UL Listed and CSA certified for code-compliant residential installations.

Key Features

  • Configuration: 2-pole (2P) main breaker designed for metering devices with bolt-on mounting.
  • Electrical Rating: 120/240VAC operational voltage with a 22kA interrupting rating for dependable overcurrent protection.
  • Wire Range: Accepts AWG 4...300 kcmil copper or aluminum conductors with a tightening torque of 6-6 N.m (AWG 12...AWG 2/0).
  • Connection Type: Lug connection for straightforward termination.
  • Trip Mechanism: Over-center, trip-free toggle with quick-make, quick-break action for positive contact operation.
  • Plug-On Neutral Design: Shorter footprint for faster panel installs.
  • Enclosure Material: Steel construction.
  • Application: Functions as a primary main breaker on 1 phase systems.

Certifications & Compliance

  • UL Listed
  • CSA Certified
  • RoHS EU In Scope
  • Green Premium Product

Technical Specifications

  • Toxic Heavy Metal Free: Yes
  • Warranty: 18 months
  • Warranty Period: 18 months
  • Sustainable Packaging: No
  • Mercury Free: Yes
  • Packaging Without Single Use Plastic: No
  • ROHS Eur In Scope: Yes
  • Recycled Metal Content At Cr Level: 0 %
  • Poles Description: 2P
  • Serviceability: No
  • Range Of Product: QO
  • Returnability: Yes
  • Country of Origin: MEX
  • Legacy WEEE Scope: In
  • Circuit Breaker Application: Primary main breaker
  • Electrical Connection: Lugs
  • Phase: 1 phase
  • B2B Bullet Point 3: Plug-on neutral design and shorter footprint for faster installs
  • EOLI Availability Display: No need of specific recycling operations

Typical Applications

  • Residential Load Center Main Breaker Installations
  • Metering Device Panel Applications
  • AC Overcurrent Protection Systems
  • Panelboard and Load Center Wiring
  • New Construction and Renovation Electrical Panels

Why Square D?

Square D QO circuit breakers are engineered with steel enclosures, halogen-free plastic parts, and Green Premium reporting status, reflecting a commitment to durable, code-compliant construction. Backed by an 18-month warranty and UL Listed / CSA certification, this main breaker delivers dependable overcurrent protection for residential metering applications.

Manufacturer Resources

Product Specs

Product Type:
Circuit Breaker
Configuration:
2-Pole
Voltage Rating:
120/240V
Listing:
UL Listed
Standards:
CSA
Series:
QO
Connection Type:
Lugs
Country of Origin:
Mexico
Product Material:
Steel
Department:
Electrical
Product Group:
Wiring Devices

Square D 64594 – Frequently Asked Questions

How fast can I get the Square D 64594 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Square D 64594 come with a warranty?
Absolutely. The Square D 64594 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Square D 64594?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
Why buy the Square D 64594 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support, and rewards on every order. Our team is always ready to help you choose the right product for your project.
!