NEF431030 | Circuit Breaker | 30A | 3-Pole | 480V

Meet NEF431030, a purpose-built industrial circuit breaker engineered to protect your three-phase 480V power systems. With a 30A rating and a 3-pole configuration, this unit is designed to safeguard motors, drives, and other heavy loads in demanding industrial environments, helping to prevent costly downtime from electrical faults.

Built for maintenance, retrofit, and replacement projects, NEF431030 is the reliable choice when you need a precise match for 480V, 3-pole setups. Whether you’re upgrading aging panels, refurbishing equipment, or stocking spare protection for critical lines, this breaker delivers consistent performance when it matters most.

Key specifications

• Amperage: 30A
• Poles: 3-Pole
• Voltage: 480V
• Reference: Part number NEF431030 is the best compatibility reference

Why this matters in the field: selecting a breaker that precisely matches your panel and system voltage reduces the risk of nuisance trips and ensures proper protection for three-phase equipment. The NEF431030 designation helps maintain the integrity of your electrical protection scheme, especially during maintenance or component refreshes.

Compatibility and buying guidance

• Confirm fit and ratings before ordering to avoid mismatches with your panel, bus configuration, or electrical architecture.
• Use the part number NEF431030 as the primary reference when verifying compatibility with your existing equipment or replacement plan.
• Ideal for technicians performing scheduled maintenance, retrofits to modern protections, or planned replacements in 480V three-phase systems.

This circuit breaker is a concrete, results-driven solution for maintaining uninterrupted, safe operation of industrial processes that rely on 480V three-phase power. By choosing NEF431030, you’re aligning with a targeted, field-tested specification that supports reliable protection, easier maintenance, and streamlined inventory planning.