HEF437080 | Circuit Breaker | 80A | 3-Pole | 480V

The HEF437080 Circuit Breaker is an industrial-grade overcurrent protection device designed for demanding 480V three-phase applications. With an 80A rating and a 3-Pole configuration, it provides reliable protection for electrical systems, minimizing downtime from faults and startup surges.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, this breaker helps you keep your panels and equipment operating safely and efficiently. The part number HEF437080 is the clearest reference for compatibility, so verify fit and ratings against your equipment data before ordering.

Key specifications

• Amperage: 80A
• Poles: 3-Pole
• Voltage: 480V
• Type: Industrial circuit breaker

Why this model stands out

What sets the HEF437080 apart is its precise alignment with three-phase, 480V systems and the clear, unambiguous compatibility signal of its part number. For professionals who need to match existing protection schemes without guessing, this breaker offers a dependable, straightforward reference point to ensure you’re selecting the exact replacement or retrofit component.

Ideal use cases

• Maintenance on existing 480V, three-phase panels where an 80A protective device is required
• Retrofit projects that must align with the original protection framework and wiring layout
• Replacement of failed breakers in industrial equipment and distribution gear operating at 480V

Practical guidance for installation and compatibility

Before you order, confirm that your equipment’s ratings and mounting configuration match the HEF437080 specifications. Rely on the part number as the best reference for compatibility, and cross-check any panel data sheets or schematics you have on hand. If you’re upgrading from a lower amperage or a different pole configuration, plan the swap to maintain balanced protection across your three-phase system.

In practice, this breaker supports reliable protection for motors, drives, and other industrial loads connected to 480V networks. It’s a practical choice for teams aiming to preserve equipment life, reduce unplanned outages, and maintain consistent electrical safety standards in demanding environments.