HFJ437100 | Circuit Breaker | 100A | 3-Pole | 480V

When your operation hinges on reliable overcurrent protection, HFJ437100 stands as a steadfast industrial circuit breaker. This 100A, 3-Pole, 480V device is engineered for demanding maintenance, retrofit, and replacement tasks where precise specifications matter.

Designed for three-phase electrical systems, this circuit breaker provides dependable interruption performance to protect equipment and personnel. The 100-amp rating is well-suited for feeding medium-to-large motor loads or distribution circuits in commercial and industrial settings.

• Amperage: 100A
• Poles: 3-Pole
• Voltage: 480V

Ideal use cases

• Replacement for legacy breakers in existing panels requiring a 3-pole, 480V solution.
• Retrofit projects where matching specifications ensure seamless compatibility with current equipment.
• Maintenance scenarios in data centers, manufacturing floors, and industrial facilities that rely on robust 3-phase protection.

Why this part stands out

• Clear compatibility reference: The part number HFJ437100 is the best reference to ensure a correct fit and ratings for your panel.
• Focused on reliability: Engineered for industrial environments where consistent protection minimizes downtime and protects downstream equipment.
• Straightforward replacement workflow: Designed to align with common 3-pole 480V configurations, reducing guesswork during retrofit or maintenance projects.

Important compatibility notes

Confirm fit and ratings before ordering. The HFJ437100 part number is the most reliable reference for ensuring your circuit breaker matches both your panel and system requirements.

Practical deployment tips

• Record the exact part number when purchasing to prevent mismatches.
• Verify the panel’s bus configuration and available space for a 3-pole device.
• After installation, follow standard electrical safety testing procedures to confirm proper operation.

Whether you’re performing routine maintenance, upgrading legacy equipment, or performing a targeted retrofit, HFJ437100 delivers the essential three-phase protection you need at 480V. Rely on this 100A, 3-Pole circuit breaker to safeguard your critical systems and keep downtime to a minimum.