Skip to content
  • Product Image of QO390 - 90 Amp Circuit Breaker #1
** Picture is for identification purposes only and may not represent the actual amperage of the product listed **
scroll for more

QO390 - 90 Amp Circuit Breaker

  • 90 Amp
  • 10k @ 240VAC
  • 3 Pole

Purchase Options:

QO390 - 90 Amp Circuit Breaker Description

QO390 - 90 Amp Circuit Breaker

The Schneider Electric QO390 is a 90-amp, 3-pole circuit breaker designed to keep electrical systems safe and running smoothly. Built for 120/240V AC applications, it helps prevent damage caused by overloads and short circuits with a 10 kA interrupt rating. This breaker is a solid choice for homeowners, electricians, and contractors who need reliable protection without taking up unnecessary space in a panel. With Schneider’s VisiTrip indicator, you’ll know instantly if it’s been tripped, making maintenance quicker and easier.

Key Features and Benefits

  • Strong Protection: Handles up to 90 amps with a 10 kA interrupt rating, giving you dependable protection against electrical faults.
  • Easy to Spot Trips: The VisiTrip indicator lets you see right away when the breaker has tripped.
  • Compact Size: Fits neatly into panels while still delivering full performance.
  • Simple Installation: Plug-in mounting makes setup straightforward for a wide range of uses.
  • Built to Last: Certified by UL and CSA for safety and long-term reliability.
  • Environmentally Friendly: RoHS/REACh compliant and Green Premium™ certified.

Technical Specifications

  • Amperage: 90A
  • Interrupt Rating: 10 kA @ 120/240V AC
  • Voltage: 120/240V AC
  • Poles: 3
  • Trip Type: Thermal-magnetic
  • Mounting: Plug-in
  • Wire Size: AWG 4–2/0 (copper or aluminum)
  • Torque: 49.6 lbf.in (5.6 N.m)
  • Dimensions:
    • Height: 3.5 inches
    • Width: 2.2 inches
    • Depth: 2.9 inches
  • Weight: 1.05 lbs

Material Compliance and Certifications

  • Certifications: UL Listed (File E84967), CSA Certified (Master Contract 153555)
  • Environmental Compliance: RoHS/REACh compliant, Mercury-free, Halogen-free
  • Sustainability: Green Premium™ label for sustainable performance

Suitability

  • Great for residential, commercial, and light industrial applications. Commonly used for HVAC units, lighting circuits, and power distribution panels where safe and consistent electrical protection is a must.

 


Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:2.25
  • Height:3.5
  • Depth:2.5
  • Poles:3
  • Amperes:90
  • A.I.C. Rating & Volts:10k @ 240VAC
  • Type:QO
  • Approx Dimensions:2.25"W x 3.50"L x 2.50"D
  • Additional Notes:Plug-On Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

Similar Products

Why Us?

Free Shipping

Free shipping on orders over $100

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction