Eaton EGB3090FFB - 90 A, 480 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Eaton EGB3090FFB is a 90A, 480V, 3-pole bolt-on molded case circuit breaker designed to provide dependable branch circuit protection and short-circuit interruption in panelboards and loadcenters.

Key advantages you’ll rely on in the field:

• Secure bolt-on mounting delivers a rigid, vibration-resistant bus connection, helping prevent movement that can compromise protection over time.
• Thermal-magnetic trip unit delivers stable, repeatable protection by accurately sensing overloads and short circuits, reducing nuisance trips while preserving safety.
• OEM-compatible design works seamlessly with matching Eaton OEM loadcenters and panelboards for straightforward installation and reliable interoperability.
• Versatile across environments suitable for residential, commercial, and light industrial applications that demand robust overcurrent and short-circuit protection.

Technical snapshot

• Amperage rating: 90 A
• Voltage rating: 480 V
• Number of poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Practical use cases

In a commercial office building, the EGB3090FFB can safeguard feeder circuits feeding essential systems such as HVAC controls and lighting panels. In light industrial facilities or warehouses, it provides a compact, reliable protection point for distributed loads where machinery start-up can introduce transient surges. For retrofit projects, its bolt-on mounting simplifies installation while ensuring a solid mechanical connection to the panelboard bus.

Why this Eaton breaker stands out

Rather than a generic protection device, the EGB3090FFB emphasizes mechanical integrity and precise trip performance. The combination of bolt-on mounting and a thermal-magnetic trip unit results in fewer nuisance trips and more predictable protection in environments with vibration, dense panel configurations, or frequent electrical transients.

Choose the Eaton EGB3090FFB when you need a reliable, compatible 3-pole solution for 90 A circuits at 480 V that integrates cleanly with OEM loadcenters and panelboards, delivering durable protection for both new installations and panel modernization projects.