Eaton FD1020L - 20 A, 277 V, 1-Pole Circuit Breaker | AmpState

Engineered for dependable branch circuit protection, the Eaton FD1020L is a 1-pole molded-case circuit breaker designed to shield panelboards and loadcenters from overload and short circuits on 277V circuits. With a 20A rating, it’s an ideal choice for commercial lighting and other 277V loads, while its compact form helps maximize space in dense electrical panels.

• Compact molded-case design minimizes panel footprint, enabling more efficient arrangement in tight panels without compromising reliability.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with an instantaneous magnetic trip for fast response to high-current faults.
• Direct compatibility with matching OEM loadcenters and panelboards ensures easy installation, proper trip coordination, and consistent labeling.
• Versatile application suitable for residential, commercial, and light industrial environments that require 20A, 277V single-pole protection.
• Trusted by AmpState customers as a reliable Eaton solution backed by a robust mechanical design and proven performance in real-world panels.

Why choose the Eaton FD1020L?

When you need a reliable replacement or a steadfast 277V breaker for new installations, the FD1020L offers a known Eaton trip curve, precise current protection, and a compact footprint that preserves panel space. This is a direct-fit option for service and distribution panels that call for a 1-pole, 20A device on 277V circuits, ensuring consistent protection across your electrical system.

Technical specifications

• Amperage rating: 20A
• Voltage rating: 277V
• Poles: 1
• Type: Thermal-magnetic molded case circuit breaker
• Manufacturer: Eaton
• Part number: FD1020L
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

• Commercial spaces with 277V lighting and receptacle circuits in need of reliable single-pole protection
• Residential or commercial panel upgrades where a compatible Eaton 1-pole 20A breaker is required
• New installations in panelboards that specify OEM-compatible components for predictable trip coordination

For installers and facility managers stocking Eaton OEM panels, the FD1020L is a dependable, field-proven choice that aligns with existing breakers to maintain consistent protection and safety. Add this 20A, 277V, 1-pole circuit breaker to your panel lineup to ensure reliable protection across your 277V branch circuits.