NEF431090R | Circuit Breaker | 90A | 3-Pole | 480V | Bolt-On

Meet the NEF431090R, a rugged 90 Amp, 3-Pole circuit breaker engineered for industrial power systems operating at 480V. This Bolt-On model is built for maintenance, retrofit, and replacement projects where exact specifications matter, delivering dependable protection exactly where you need it most.

Key specifications

• Amperage: 90 A
• Poles: 3-Pole
• Voltage: 480 V
• Mounting: Bolt-On
• Reference: Part number NEF431090R

Why this breaker matters for your setup

Three-pole protection ensures balanced interrupting of all phases, safeguarding motors, drives, and other three-phase equipment from overloads and faults. The 90 A rating aligns with common industrial feeders and motor circuits, enabling clean, predictable tripping behavior that minimizes downtime and collateral damage.

Ideal use cases

• Retrofits and panel upgrades where a matching 3-Pole, 480V, 90A bolt-on breaker is required
• Maintenance replacements to restore original protection characteristics
• Replacement in aging electrical racks or switchgear where spec alignment is critical

Practical notes for procurement

Notes: Confirm fit and ratings before ordering. The NEF431090R part number is the most reliable reference for compatibility with your panel and bus configuration. Use this breaker when you need a precise, drop-in replacement that preserves system protection and electrical characteristics.