NEF431050R | Circuit Breaker | 50A | 3-Pole | 480V

Meet the NEF431050R Circuit Breaker — a precision-protected solution designed for demanding industrial environments. With a 50A rating, a 3-pole configuration, and 480V operation, this unit delivers reliable overcurrent protection for three-phase power distribution, making it ideal for motors, pumps, conveyors, and other high-demand equipment. It’s purpose-built for maintenance, retrofit, and replacement projects where exact specifications matter.

• Amperage: 50A
• Poles: 3-Pole
• Voltage: 480V

Why this breaker stands out

Designed to simplify protection in three-phase systems, the NEF431050R provides coordinated, reliable shutoff across all three lines. Its 480V rating makes it compatible with standard industrial distribution schemes, reducing the complexity of replacements during maintenance or retrofits. Use the part number NEF431050R as your primary reference to ensure exact compatibility with your panel or switchgear.

Ideal use cases

• Motor control and protection for conveyors, pumps, compressors, and processing equipment in manufacturing or facility operations
• Retrofits where a like-for-like 50A, 3-Pole, 480V breaker is required
• Maintenance replacements to maintain system reliability and trip coordination
• New installations in 3-phase 480V distribution networks where robust fault protection is essential

Installation and compatibility tips

Before ordering, verify fit and ratings against your panel’s catalog and labeling. The NEF431050R is the best compatibility reference for matching breakers to your enclosure or switchgear. If you’re replacing an existing unit, cross-check the part number to avoid mismatches in trip curves, mounting style, and terminal configurations. For safe handling and installation, follow standard electrical practices and consult a licensed electrician to confirm suitability for your specific setup.

Practical benefits and outcomes

By choosing a breaker that precisely matches your 50A, 3-Pole, 480V requirements, you gain predictable protection, streamlined maintenance, and clearer spare-part planning. This leads to fewer unplanned outages, faster service turns, and improved uptime for critical industrial processes.