Eaton EGB3040AFG - 40 A, 480 V, 3-Pole Circuit Breaker | AmpState

The Eaton EGB3040AFG is a 40A, 480V, 3-pole molded case circuit breaker built to deliver dependable branch circuit protection for panelboards and load centers. Designed to fit seamlessly into commercial and light industrial electrical environments, this unit helps keep critical circuits safeguarded from overcurrent and short-circuit events.

• Compact molded case design maximizes panel space for clean, organized installations and easier future upgrades.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance across varying loads and ambient conditions, reducing nuisance trips and ensuring consistent safety margins.
• OEM-compatible panel compatibility engineered to work with matching Eaton loadcenters and panelboards for secure mounting and reliable electrical contact.
• Versatile, three-phase protection ideal for 480V systems in residential, commercial, and light industrial applications where three-pole coordination is essential.

Use cases and scenarios where the EGB3040AFG shines include upgrading or equipping 3-phase distribution in commercial spaces, data centers, office buildings with 480V feeders, and light industrial facilities. When space in a panelboard is at a premium, this compact breaker preserves room for additional circuits while delivering precise protection for each phase.

Why this breaker stands out against generic solutions is the combination of Eaton’s trusted trip technology and deliberate compatibility with Eaton OEM panelboards. The result is predictable trip performance, straightforward installation, and straightforward maintenance—key factors for installers prioritizing reliability and long-term serviceability on 480V systems.

Technical specifications (at a glance):

• Manufacturer: Eaton
• Part Number: EGB3040AFG
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 40A
• Voltage Rating: 480V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

For teams designing safer, more reliable 480V electrical distributions, the Eaton EGB3040AFG provides a robust, space-efficient, and compatible solution that keeps critical circuits protected while fitting neatly into standard panelboard configurations.