Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Based in Canada
•
Serving USA & Canada
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
| Part Number | Q432400 |
| Amperes | 400 |
| Poles | 3 |
| Voltage | 240 |
| Product Type | circuit-breaker |
Couldn't load pickup availability
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
Engineered for durability and dependable protection, the Square D Q432400 400A 3P 240V Plug-On Circuit Breaker is designed for panelboards, load centers, and electrical distribution systems. This part helps you keep the BOM aligned with the original specification, making replacements safer and inventory management simpler for ongoing maintenance or upgrades.
Ideal for electricians, facilities managers, and maintenance teams tackling routine replacements, emergency switchover needs, or new installations where exact part-number fidelity is essential for performance and safety. If you need help confirming fit or matching this part number, AmpState can verify compatibility and ensure you receive the exact component you need.
Contact sales@ampstate.com
Shipping cost is based on weight. Just add products to your cart and use the Shipping Calculator to see the shipping price.
We want you to be 100% satisfied with your purchase.
General feedback we often hear from customers purchasing industrial electrical parts.
Matched our existing hardware and fit as expected. Clean install.
Maintenance · Retrofit work
Quick confirmation on details and a smooth ordering process.
Purchasing · Fast turnaround
Came well packed. Labeling made receiving and staging easy.
Warehouse · Receiving
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
Newsletter
Blogs