NB320 | Circuit Breaker | 3-Pole | 240V | Bolt-On

Meet the NB320, a purpose-built 3-pole, 240V bolt-on industrial circuit breaker designed for dependable protection in demanding electrical environments. Identified by part number NB320, this unit is ideal for maintenance, retrofit, and replacement projects where exact specifications matter and reliability is non-negotiable.

• 3-Pole 240V configuration provides true three-phase protection for motors, transformers, and other high-demand loads in industrial panels.
• Bolt-On mounting enables secure, straightforward installation with solid mechanical integrity in vibration-prone settings.
• Maintenance, retrofit, and replacement readiness—engineered to slot into existing systems where matching specs is essential, helping minimize downtime and compatibility risk.
• Best reference for compatibility—use the part number NB320 as the primary guide when verifying fit with your panel and upstream/downstream components; confirm fit and ratings before ordering.
• Ideal for professionals—a reliable choice for facilities engineers, panel builders, and maintenance technicians tackling upgrades or routine service in 3-phase electrical systems.

Why choose NB320 for your project? It delivers a precise, bolt-on solution for panels requiring a 3-pole, 240V breaker, delivering consistent protection across all poles and simplifying installation in motor control centers, distribution panels, and switchgear enclosures. By prioritizing the exact part number for compatibility, you reduce guesswork and ensure a safer, more dependable retrofit or replacement path.