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Circuit Breaker

Schneider Electric | NSX400L | Circuit Breaker | 400A | 3-Pole

★★★★★
Part Number NSX400L
Amperes 400
Poles 3
Product Type Circuit Breaker
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Manufacturer :Schneider Electric
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $2,010.00
Sale price $2,010.00 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.

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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

Schneider Electric | NSX400L | Circuit Breaker | 400A | 3-Pole

Regular price $2,010.00
Sale price $2,010.00 Regular price
Unit price
Product description
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Schneider Electric NSX400L 400A 3-Pole Circuit Breaker is engineered for dependable overcurrent protection in compatible low-voltage electrical systems. Identified by the part number NSX400L, this device is specifically suited for maintenance, retrofit, and replacement projects where exact specifications matter and seamless compatibility is essential.

Key specifications

  • Amperage: 400 A
  • Poles: 3-Pole
  • Reference for compatibility: The NSX400L part number is the best reference for ensuring a correct fit—confirm both the panel and ratings before ordering.

Why choose the NSX400L for your project

When your system requires precise 400 A, 3-pole protection, the NSX400L offers a straightforward, spec-matched solution that aligns with existing electrical designs and labeling. This makes it an effective choice for upgrading or maintaining legacy installations without introducing downstream mismatches or additional wiring changes.

Ideal use cases and practical benefits

  • Maintenance: Restore circuit protection quickly by replacing aging or failed breakers in 3-pole configurations that match NSX400L specifications.
  • Retrofit: Standardize protection across panels by swapping in a 400 A, 3-pole device when upgrading related systems or coordinating spare parts.
  • Replacement: Simplify ordering and inventory with a clearly referenced part number that aligns with Schneider Electric documentation.

Compatibility and practical purchasing tips

Before purchasing, verify fit and ratings using the NSX400L part number as your primary reference. This ensures the breaker will integrate with your panel’s design, labeling, and protection scheme. If you’re replacing an existing device, cross-check the amperage (400 A) and the 3-pole configuration to avoid mismatches that could affect tripping behavior or enclosure fit.

Installation and safety notes

  • Arrange for service with the power off and follow local electrical codes and manufacturer installation guidelines.
  • Keep a spare NSX400L on hand for planned maintenance to minimize downtime and maintain continuous protection for critical circuits.

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4.9 (38 reviews)

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

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

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Good communication and clear updates while the order was processed.

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

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