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Circuit Breaker

Square D | MA36400 | Circuit Breaker | 400A | 3-Pole

Part Number MA36400
Amperes 400
Poles 3
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 $310.00
Sale price $310.00 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
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FREE & fast shipping on orders over $49
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CSA approved with 1 year warranty
Icon
30 day returns
Allen-Bradley 140M-C2E-C16 - Standard Magnetic Trip Breaker Motor Protection - Standard Magnetic Trip Breaker Motor Protection

Square D | MA36400 | Circuit Breaker | 400A | 3-Pole

Regular price $310.00
Sale price $310.00 Regular price
Unit price
Product description
Shipping

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.

Key benefits that matter in real use

  • 400A, 3-Pole configuration: Ideal for three-phase electrical systems requiring robust current protection across all three legs.
  • Reliability from a trusted brand: Square D has a long-standing reputation for dependable safety devices in industrial and commercial settings.
  • Exact compatibility reference: The part number MA36400 serves as the best reference for matching specs in your panel or distribution setup.
  • For maintenance, retrofit, and replacement: Specifically suited for upgrading existing installations or restoring protective function after component failure.

When and where to use

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.

Compatibility and installation notes

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.

Practical tips for ready-to-work protection

  • Keep the MA36400 on hand as a dedicated replacement for quick, minimize-downtime switchover.
  • Work with a qualified electrical professional to confirm panel compatibility and proper installation procedures.
  • Document the part number (MA36400) in your maintenance logs to simplify future retrofit or replacement decisions.

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

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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

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