Schneider Electric | NSX400N-4P | Circuit Breaker | 400A | 4-Pole | 690V

Schneider Electric NSX400N-4P Circuit Breaker — 400A, 4-Pole, 690V

When you need a precise, drop-in replacement or retrofit for demanding industrial power systems, the Schneider Electric NSX400N-4P circuit breaker delivers dependable protection with exact specifications. This 400 A, 4-pole unit is designed for installations that require a high-voltage, robust overcurrent solution—and it’s ready to integrate where matching ratings and form factor matter most.

• Amperage: 400 A
• Poles: 4-Pole
• Voltage: 690 V
• Reference: Part number NSX400N-4P — the best compatibility reference for accurate fit and replacement

Why this matters for your project

Exact electrical specifications reduce downtime and minimize retrofit risk. With 400 A capacity and a 690 V rating, this breaker is suited for high-demand feeders and distribution panels in industrial environments. Using the precise NSX400N-4P part ensures coordination with existing protective schemes, consistent trip behavior, and a reliable replacement that aligns with your current gear’s footprint and mounting.

Use cases and ideal applications

Perfect for maintenance cycles, equipment retrofits, or replacement scenarios where your current panel or switchgear requires an exact-specifier replacement. Suitable for industrial control panels, power distribution boards, and motor control centers that rely on stable, predictable protection without altering the system’s established settings.

Practical guidance for commissioning

Before ordering, confirm fit and ratings are a precise match to your equipment. Rely on the NSX400N-4P part number as the definitive reference for compatibility. Check mounting arrangement and terminal connections in your panel documentation to ensure a seamless drop-in installation with no rewiring or adapters required.

Choose the NSX400N-4P when you need a trusted Schneider Electric solution that aligns with existing high-voltage protection schemes, delivering clarity, reliability, and peace of mind across your industrial electrical infrastructure.