Industrial NEF433015R 15A 3-Pole 480 V Circuit Breaker

Industrial NEF433015R 15A 3-Pole 480 V Circuit Breaker is engineered for demanding 3-phase power environments. With a precise 15 A current rating and a robust three-pole configuration, this breaker delivers dependable protection for industrial panels and equipment operating at up to 480 volts.

Key specifications

• Current rating: 15 A
• Poles: 3
• Voltage rating: 480 V
• Part number: NEF433015R

Why this breaker fits 480V three-phase systems

Designed to synchronize with typical industrial three-phase distribution, the NEF433015R provides reliable overload and short-circuit protection for circuits feeding motors, conveyors, pumps, and automation gear. Its 3-pole design simplifies wiring in 3-phase panels, helping to balance loads and streamline installation. In environments where equipment reliability is non-negotiable, this breaker helps minimize downtime by quickly isolating faults and protecting vulnerable components.

Ideal use cases

• Motor control centers and feeders in manufacturing lines that run on 480 V three-phase power
• Industrial panels serving heavy machinery, pumps, and conveyors
• Electrical distribution points in facilities that require clear, three-pole protection for each phase
• Maintenance or upgrade projects where a compliant 3-pole, 480 V solution is needed

Installation and practical considerations

When integrating the NEF433015R, ensure your panel is rated for 480 V operation and supports a 3-pole device of this type. Verify proper mounting fitment, alignment with existing bus bars, and adherence to local electrical codes. Label the breaker clearly to reflect its 15 A, 3-pole, 480 V capability for future servicing and audits. Regular inspection of terminal connections and visible wear helps maintain reliable performance over time.

Performance and real-world benefits

Beyond mere numbers, this circuit breaker translates to tangible outcomes: steadier motor starts with consistent protection, reduced risk of cascading faults across a 3-phase load, and easier maintenance in high-demand industrial settings. The NEF433015R stands up to the rigors of daily use in harsh environments where electrical protection must be precise and dependable.

Who this is for

Facilities managers, electrical contractors, and plant engineers overseeing 480 V three-phase distributions will find the NEF433015R to be a practical, reliable choice for safeguarding circuits and machinery without adding complexity to the panel layout.