Cutler-Hammer EGB3100AFG Circuit Breaker, 100A, 3-Pole, 480V

Meet the Cutler-Hammer EGB3100AFG Circuit Breaker — a rugged, industrial-grade protection device designed for demanding electrical service, maintenance, and replacement projects. With a 100 A rating, 3 poles, and 480 V operation, this breaker is built to safeguard large feeders and critical equipment in manufacturing facilities, warehouses, and multi-mystem environments.

Key specifications at a glance

• Manufacturer: Cutler-Hammer
• Part number: EGB3100AFG
• Product type: Circuit Breaker
• Amperage: 100 A
• Poles: 3
• Voltage rating: 480 V

Why this breaker stands out

• Industrial-grade reliability: Crafted for the kinds of continuous duty and rugged environments common in industrial plants, ensuring steady protection for critical circuits.
• Three-pole, 480V protection: Ideal for modern 3-phase systems, delivering balanced, comprehensive protection across all phases in a single unit.
• Direct compatibility path: The exact part number—EGB3100AFG—helps you confirm fitment with your existing gear and panel configurations, reducing downtime and guesswork.
• Clear application intent: Specifically suited for industrial service, maintenance, and replacement projects where dependable, long-lasting protection is essential.

Applications and practical use cases

This circuit breaker is an excellent choice for protecting large feeders, main distribution panels, and switchgear in factories, warehouses, data centers, and other facilities running 3-phase, 480 V systems. Use it during:

• New installations where 3-pole protection at 480 V is required
• Equipment upgrades to ensure adequate interrupt capacity for heavy loads
• Scheduled maintenance or part replacements to minimize downtime and keep systems compliant

How to ensure a proper fit

To avoid compatibility issues, verify the exact part number and match it to your application requirements. If you’re unsure whether EGB3100AFG is the right fit, reach out for guidance on compatibility with your panel, enclosure, and wiring configuration. We can help confirm fitment quickly to keep your project on track.

Installation and maintenance tips

• Power down the system and follow standard lockout/tagout procedures before replacement.
• Consult your panel labeling and the catalog sheet to confirm voltage and pole configuration match (480 V, 3-pole).
• Keep a spare EGB3100AFG on hand for planned maintenance to minimize downtime.
• Store in a clean, dry environment to preserve terminal integrity and mounting hardware.

If you’re ready to verify compatibility or place an order, provide the part number EGB3100AFG and a few details about your existing setup — we’ll guide you to a precise match and next steps for a seamless installation.