Eaton EGB3100FFG - 100 A, 480 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton EGB3100FFG — a 100 A, 480 V, 3-pole molded case circuit breaker designed for dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built to fit seamlessly with Eaton systems, this breaker helps keep commercial, light industrial, and certain residential applications running smoothly.

Why this breaker stands out:

• Compact molded case design maximizes panel space without compromising protection or performance, making it a practical choice for crowded electrical enclosures and retrofit projects.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining overload (thermal) and short-circuit (magnetic) sensing. The result is fast, predictable tripping that helps protect wiring and equipment from damage while reducing nuisance trips.
• OEM compatibility designed to pair with matching Eaton loadcenters and panelboards, ensuring a clean fit, reliable electrical connections, and straightforward installation.
• Three-phase coverage ideal for 480V systems, providing robust protection for 3-phase circuits common in commercial spaces, data centers, warehouses, and light industrial environments.
• Versatile application suited for a range of branch-circuit protection needs—from service feeders in new builds to upgrades in existing panels—without sacrificing safety or performance.

Specifications at a glance

• Manufacturer: Eaton
• Part number: EGB3100FFG
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 480 V
• Number of poles: 3
• Application: Branch circuit overcurrent and short-circuit protection in panelboards and load centers

Ideal use cases

• New installations in commercial buildings that rely on 480 V 3-phase distribution.
• Retrofits in existing Eaton panelboards to upgrade protection and maximize space utilization.
• Light industrial equipment feeders where reliable short-circuit protection is crucial.
• Electrical rooms in warehouses and data centers needing compact, OEM-compatible protective devices.

Choosing the Eaton EGB3100FFG means selecting a reliable, space-efficient solution that aligns with your Eaton panel ecosystems while delivering precise, repeatable protection for 3-phase 480 V circuits. If you’re updating an electrical enclosures plan or optimizing a distribution panel, this molded case circuit breaker provides clear benefits—protecting wiring, extending equipment life, and helping maintain steady uptime across your facility.