Eaton EGB3040FFB - 40 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton EGB3040FFB 40A, 480V, 3-pole bolt-on molded‑case circuit breaker is engineered to deliver reliable branch circuit protection where space, vibration resistance, and dependable performance matter most. Designed for panelboards and loadcenters, this unit anchors your electrical distribution with a secure bolt‑on mounting that minimizes movement and ensures a rigid, continuous bus connection even in demanding environments.

• Secure bolt-on mounting — provides a rigid, vibration‑resistant bus connection that stays put in cabinets, control rooms, and equipment rooms where vibration or movement can occur.
• Thermal‑magnetic trip unit — delivers stable, repeatable protection for both overload and short‑circuit conditions, with instantaneous magnetic response when fault currents spike.
• 3‑pole, 40A, 480V configuration — ideal for 3‑phase distribution in commercial and light industrial settings, while still suitable for residential installations that require higher voltage protection.
• OEM compatibility — designed to work with matching Eaton OEM loadcenters and panelboards, ensuring a seamless fit and consistent performance across the system.

What this means in practical terms

• Protect critical branch circuits from overloads and short circuits in panelboards and load centers without compromising space or layout.
• Maintain reliable protection in environments with vibration—think equipment rooms, HVAC installations, and compact electrical panels where mounting integrity matters.
• Use in residential, commercial, and light industrial projects where a 3‑pole, 480V solution is required to safely distribute power across three phases.

Why choose this Eaton bolt‑on breaker over other options — the combination of a secure mounting method, a dependable thermal‑magnetic trip system, and built‑in compatibility with Eaton’s own panelboards makes it a concrete, long‑term investment for safe electrical distribution. Its 40A rating provides precise overcurrent protection for circuits that demand careful current limiting in 480V three‑phase networks.

Practical guidance for installation and use

• Confirm that the loadcenter or panelboard is designed for bolt‑on breakers and matches the EGB3040FFB’s 3‑pole, 480V configuration.
• Ensure proper torque on mounting hardware to maintain the integrity of the bus connection and prevent looseness over time.
• Plan circuits to stay within the 40A limit, using this breaker for branch circuits that require robust 3‑phase protection in commercial or light industrial applications.
• Pair with corresponding OEM components to preserve coordinated protection and consistent trip characteristics.

Engineered for dependable protection where it matters most, the Eaton EGB3040FFB is a precise, purpose‑built choice for professionals setting up or upgrading panelboards and loadcenters in 480V, three‑phase systems.