NEF431100RNA | Circuit Breaker | 3-Pole

Introducing NEF431100RNA, a robust industrial circuit breaker engineered for demanding electrical environments. This 3-Pole device is purpose-built for maintenance, retrofit, and replacement tasks where precise specifications matter, delivering reliable three-phase protection when it’s most needed.

Key details

• Poles: 3-Pole
• Category: Industrial circuit breaker
• Part number: NEF431100RNA
• Best compatibility reference: The part number is the primary reference for matching replacements

Why this 3-Pole circuit breaker stands out

Designed for three-phase systems, the NEF431100RNA ensures synchronized disconnection across all phases, reducing the likelihood of dangerous arc faults and partial failures. Its industrial-grade construction supports steady performance in panels, feeders, and control circuits, making it a dependable choice for ongoing protection and system reliability.

Use cases and applications

• Maintenance: Replace aging or worn breakers in service panels with a precise, compatible 3-pole unit.
• Retrofit: Modernize legacy installations by matching the exact spec with the NEF431100RNA reference.
• Replacement: Quick, accurate substitution to minimize downtime and ensure consistent protection across all phases.

Compatibility and ordering tips

To ensure a perfect fit, verify the equipment’s required ratings and configuration before ordering. Rely on the NEF431100RNA part number as the best reference for compatibility with your panel, bus arrangement, and protection scheme.