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circuit-breaker

Square D QOU300 60A 3P 240V Circuit Breaker | AmpState

Part Number QOU300
Amperes 60
Poles 3
Voltage 240
Product Type circuit-breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $608.00
Sale price $608.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns

Square D QOU300 60A 3P 240V Circuit Breaker | AmpState

Regular price $608.00
Sale price $608.00 Regular price
Unit price
Product description
Shipping

Meet the Square D QOU300 — a robust 60A, 3-pole, 240V circuit breaker crafted for reliable protection in panelboards, load centers, and electrical distribution systems. Built for everyday electrical work, this model is a smart pick for maintenance teams, panel builders, and spare inventory where a direct part-number match matters.

Why this model stands out

  • Direct part-number match: QOU300 ensures compatible replacement without guesswork, keeping your panel installations consistent and up to code.
  • Three-pole design, 60A: Ideal for protecting three-phase circuits or multi-wire feeders at a 60-amp rating, aligning with common commercial and industrial configurations at 240V.
  • Versatile installation footprint: Suitable for panelboards, load centers, and broader electrical distribution setups, making it a dependable choice for contractors and facilities teams alike.
  • Stocked by AmpState: Ready to ship when you need it, with support to confirm compatibility and fit before you purchase.

Ideal use cases

  • Maintenance and service calls requiring a direct, drop-in replacement to minimize downtime.
  • Panel building projects where a precise part-number match ensures seamless integration with existing Square D equipment.
  • Spare inventory for facilities teams managing multiple panelboards and distribution panels.

Specifications at a glance

  • Manufacturer: Square D
  • Part Number: QOU300
  • Type: Circuit Breaker
  • Amperage: 60 A
  • Poles: 3
  • Voltage: 240V
  • Applications: Panelboards, Load Centers, Electrical Distribution

Practical guidance and tips

Before replacing, verify your panel compatibility and ensure the power is fully de-energized. If you’re unsure whether QOU300 is the exact fit for your enclosure, send a quick message and AmpState will help confirm fit and compatibility. This model is designed to simplify maintenance scenarios and support quick, straightforward swaps, reducing downtime on critical electrical systems.

Contact sales@ampstate.com

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Matched our existing hardware and fit as expected. Clean install.

Maintenance · Retrofit work

Verified

Quick confirmation on details and a smooth ordering process.

Purchasing · Fast turnaround

Verified

Came well packed. Labeling made receiving and staging easy.

Warehouse · Receiving

Fast industrial sourcing support

Need help?

  • Request a quote
  • Need a BOM priced for your project
  • Not sure which part is correct
  • Need an equivalent or replacement
  • Send your part list and get a fast reply

Email us at sales@ampstate.com for pricing, availability, alternates, and project support.

Email for a quote Typical reply: same business day