Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
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Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
| Part Number | QOUR320 |
| Series | QO |
| Amperes | 20 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | circuit-breaker |
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Meet the Square D QOUR320 Circuit Breaker — a precise, durable solution for industrial electrical service, maintenance, and replacement projects. With a 20 A rating across 3 poles and a 240 V operating range, this device protects your 3-conductor, high-demand circuits while keeping downtime to a minimum. Built to align with the trusted QO family, the QOUR320 delivers reliable protection in demanding environments where safety and continuity matter.
Practical use cases include upgrading or replacing a 3-pole 240V breaker in commercial or light industrial panels, protecting motor feeds or control circuits in 240V systems, and supporting maintenance tasks where a reliable, compatible part is essential.
Why choose the QOUR320 within the Square D QO ecosystem? It’s anchored in a family known for predictable panel fit, consistent trip characteristics, and straightforward installation. By selecting the exact part number QOUR320, you reduce the risk of mismatches that can lead to improper protection or fit issues, ensuring your electrical system remains safe and compliant.
Need help matching a part number or confirming compatibility? Message us and we’ll help verify fit for your specific application.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Solid quality component. Exactly as described on the product page.
Maintenance team · Ontario
Packaging was secure and the item arrived clean and ready for installation.
Electrical contractor · GTA
We’ve used this type on multiple jobs and it’s been reliable so far.
Panel shop · Canada/US