Eaton FDC2040L - 40 A, 600 V, 2-Pole Circuit Breaker | AmpState

The Eaton FDC2040L is a 2-pole molded case circuit breaker rated at 40 A and 600 V, engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Offered by AmpState, this breaker integrates smoothly with compatible Eaton OEM panels for fast, field-ready protection across residential, commercial, and light industrial installations.

Key features and benefits

• Compact molded case design that frees up valuable panel space without sacrificing protection performance.
• Thermal-magnetic trip unit provides stable, repeatable protection—sensitive to both overloads and short circuits—minimizing nuisance trips and equipment risk.
• 2-pole configuration protects both conductors in a circuit, ensuring reliable fault clearance and coordinated protection.
• Designed for straightforward compatibility with matching Eaton OEM loadcenters and panelboards for seamless replacements and consistent performance.
• 600 V rating expands suitability to a wide range of commercial and light industrial distribution applications, beyond standard residential use.

Ideal applications

Use the Eaton FDC2040L to safeguard branch circuits in service panels, subpanels in small commercial spaces, and light industrial installations where compact footprint and dependable protection matter. It’s well-suited for lighting circuits, outlets and receptacle feeders, HVAC control circuits, and other mid-range loads that demand reliable interruption behavior.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FDC2040L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 40 A
• Voltage: 600 V
• Poles: 2
• Application: Branch circuit overcurrent and short-circuit protection

Installation tips and compatibility

To maximize performance and safety, pair this 2-pole breaker with a matching Eaton OEM loadcenter or panelboard. Verify panel family compatibility before installation, and observe standard electrical practices for termination, conductor sizing, and torque. The 600 V rating makes it suitable for higher-voltage distribution environments, while the 40 A rating targets mid-range branch circuits—delivering predictable protection for your equipment and wiring.