Schneider Electric | NSX400H | Circuit Breaker | 400A | 415V

Schneider Electric NSX400H is a robust, industrial-grade circuit breaker designed to protect and streamline power distribution in demanding environments. With a 400A rating and a 415V capacity, this NSX-series device is an ideal choice for maintenance, retrofit, and replacement projects where precise compatibility matters. The part number NSX400H serves as the best reference to ensure a seamless fit in Schneider Electric panels and systems.

Why the NSX400H stands out

• High-current protection: 400A to safeguard heavy-load circuits in industrial settings.
• Voltage compatibility: 415V rating suits typical industrial three-phase distribution networks.
• NSX family integration: engineered to slot into Schneider Electric NSX panels for reliable, consistent protection.
• Retrofit-ready: purpose-built for upgrade projects, enabling efficient replacements without major panel changes.
• Trusted support: backed by Schneider Electric’s global service and parts network for ongoing reliability.

Key specifications at a glance

• Amperage: 400A
• Voltage: 415V
• Series: NSX (Schneider Electric)

Compatibility & installation guidance

Before ordering, confirm fit and ratings against your panel documentation. The NSX400H part number is the most reliable reference for compatibility, ensuring a correct match with existing boards, bus bars, and mounting provisions. Verify mounting style and connection method in your equipment’s schematics to avoid scope creep during retrofit or maintenance projects.

Ideal use cases

• Retrofitting aging distribution panels in industrial facilities, data centers, or manufacturing floors.
• Replacing a failed 400A breaker in 415V networks to restore protection with minimal downtime.
• Upgrading protection in projects that require standardized Schneider Electric components for consistent performance and serviceability.

Practical tips for maximum value

• Keep a record of the exact part number (NSX400H) to simplify future replacements and maintenance checks.
• Cross-check panel labeling and Schneider Electric documentation to confirm compatibility with the existing NSX protection scheme.
• Plan for inspection of related components (bus, terminal blocks, and associated trip units) during replacement to ensure holistic safety and reliability.