Eaton FD1090 - 90 A, 277 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton FD1090 is a 90A, 277V, 1-pole bolt-on molded case circuit breaker crafted to deliver dependable branch-circuit overcurrent and short-circuit protection in panelboards and load centers. Featuring a secure bolt-on mounting, it establishes a rigid, vibration-resistant bus connection that stays tight even in demanding electrical environments.

Equipped with a thermal-magnetic trip unit, the FD1090 provides stable, repeatable protection performance. It instantly responds to short circuits with magnetic trip action while smoothly handling overloads with its thermal element, reducing nuisance trips and maintaining reliable circuit protection across a range of operating temperatures.

Compatibility is a cornerstone of this breaker. The FD1090 is designed to work with matching OEM load centers and panelboards, ensuring a cohesive, maintenance-friendly installation. Its 1-pole configuration is ideal for single-phase branch circuits, making it a solid choice for residential, commercial, and light industrial applications where space and reliability matter.

Key benefits at a glance

• Secure bolt-on mounting for a robust, vibration-resistant connection
• Thermal-magnetic trip unit delivers stable protection and predictable tripping behavior
• 277V, 90A, 1-pole configuration tailored for single-phase branch circuits
• OEM-compatible with matching panelboards and load centers for seamless integration
• Well-suited for residential, commercial, and light industrial electrical setups

Ideal use cases

Use the Eaton FD1090 in panelboards and load centers that service lighting panels, receptacle circuits, and moderate-load equipment in commercial buildings, offices, retail spaces, and light industrial facilities. It’s particularly advantageous in environments where vibration is present or panel designs require strict bolt-on mounting for dependable bus connections.

Technical specifications

• Manufacturer: Eaton
• Part Number: FD1090
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 90A
• Voltage Rating: 277V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Choose the Eaton FD1090 when you need reliable, single-pole protection that aligns with OEM panel hardware, supports 277V lighting and load circuits, and stands up to vibration and everyday commercial use. Add it to your panel upgrade or new installation to ensure consistent protection and straightforward integration with compatible Eaton panelboards.