Schneider Electric | NSC400K3350K | Circuit Breaker | 350A | 3-Pole

Schneider Electric NSC400K3350K is a 350A, 3-Pole circuit breaker designed to deliver reliable, three‑phase protection in demanding commercial and industrial environments. Whether you’re conducting maintenance, a retrofit, or a replacement, this unit is built to slot into your existing system where robust overload and short‑circuit protection are essential.

• Amperage: 350A
• Poles: 3-Pole
• Part number: NSC400K3350K
• Intended use: maintenance, retrofit, and replacement projects
• Compatibility note: The part number is the best reference for compatibility; confirm fit and ratings before ordering.

Why this NSC400K3350K stands out for real-world applications:

• Authentic Schneider Electric engineering ensures predictable performance and seamless integration with other Schneider components in your electrical system, minimizing configuration guesswork during replacements.
• The precise 350A, 3-pole configuration is ideal for protecting large, three-phase circuits, helping to prevent downstream damage to motors, drives, and equipment in industrial settings.
• Using the exact NSC400K3350K part number simplifies ordering, stock management, and future service calls, reducing downtime and misfits when parts are needed quickly.

Ideal use cases and scenarios:

• Retrofits in aging panels where a 350A, three‑pole protection stage is required to support upgraded equipment or increased load)
• Maintenance replacements for failed breakers in manufacturing floors, data centers with three-phase power, or large commercial facilities
• New installations where a dedicated 350A, 3-pole protection strategy is specified by the electrical design

Practical guidance for procurement and installation:

• Always verify panel rating and compatibility before purchase to ensure this 3-pole breaker fits your enclosure and electrical diagram
• Keep the NSC400K3350K part number handy for future service, ordering, and cross-reference within the NSC series
• Follow standard safety practices and involve a licensed electrician for correct installation, testing, and commissioning