Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Based in Canada
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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 | MA36400 |
| Amperes | 400 |
| Poles | 3 |
| Product Type | Circuit Breaker |
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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.
The Square D MA36400 is a 400A, 3-Pole circuit breaker built for demanding electrical distributions. Designed for maintenance, retrofit, and replacement scenarios, this unit ensures you can uphold safety and reliability when updating or restoring a panel’s protection system. With the MA36400, you’re choosing a trusted Square D component that’s engineered to perform in critical, high-load environments.
Use the MA36400 in systems that require a precise 400A, 3-pole protection device and where matching the original specifications is essential. It’s a practical choice for upgrading older panels, restoring critical feed protection, or aligning new protection with existing three-phase infrastructure.
Before ordering, verify fit and ratings to ensure compatibility with your panel model and bus arrangement. The MA36400 part number is the most reliable reference to confirm that this breaker matches the intended equipment and protection scheme.
Contact sales@ampstate.com
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General feedback we often hear from customers purchasing industrial electrical parts.
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Good communication and clear updates while the order was processed.
Project · Coordination
Looks and feels like a proper industrial-grade part. Works as expected.
Service · Field install
Fast industrial sourcing support
Email us at sales@ampstate.com for pricing, availability, alternates, and project support.
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