Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
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| Part Number | NSX400L |
| Amperes | 400 |
| Poles | 3 |
| 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.
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.
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.
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
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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