Schneider Electric NS100N-40A-3P Circuit Breaker, 40A, 3-Pole

The Schneider Electric NS100N-40A-3P is a rugged, industrial-grade circuit breaker designed to protect your electrical infrastructure with dependable performance. Rated at 40 amps and configured as a 3-pole device, it is purpose-built for industrial electrical service, maintenance, and replacement projects. Use the part number NS100N-40A-3P to confirm compatibility with your application and panel family.

Key benefits that matter in real-world installs

• 40 A protection for demanding circuits: precisely limits fault currents to safeguard wiring and connected equipment in industrial environments.
• 3-Pole design for 3-phase systems: aligns with typical three-phase power distribution, providing balanced protection across all phases.
• Trusted brand for durability: Schneider Electric delivers long-standing reliability and engineering rigor you can trust in critical electrical systems.
• Clear compatibility pathway: verify fit by part number and application requirements. If you’re unsure about compatibility, send us a message and we’ll help confirm the right match.

Ideal use cases

Perfect for upgrading or replacing breakers in industrial panels, service panels, or distribution boards where a 40 amp, 3-pole device is required. It supports maintenance projects and installations where consistent protection and compatibility with Schneider Electric ecosystems are priorities.

Why choose NS100N-40A-3P over alternatives

Choosing this NS100N-40A-3P means opting for a purpose-built solution from Schneider Electric that’s designed to integrate smoothly with industrial control architectures. Its 3-pole configuration supports multi-phase protection, and the 40 A rating provides a clear, bite-sized protection threshold for your circuits. Always confirm the fit using the exact part number and your specific application requirements to ensure seamless operation and safety.

Practical installation and maintenance tips

• Before procurement, confirm that NS100N-40A-3P is the correct part number for your panel or distribution board requirements.
• Document the part number in maintenance logs to simplify future replacements and audits.
• Coordinate with your electrical team to verify the breaker’s compatibility with system voltage and trip characteristics for safe, reliable operation.