Eaton FDB3020L - 20 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton FDB3020L, a 20A, 600V, 3-pole molded case circuit breaker designed to deliver dependable overcurrent and short-circuit protection for panelboards and loadcenters. Its thermal-magnetic trip unit ensures stable, repeatable protection, adapting to surges and sustained loads while resisting nuisance trips.

• Compact, space-efficient design: molded case construction minimizes footprint, freeing panel space for additional circuits.
• Reliable protection you can trust: thermal-magnetic trip offers precise, repeatable trip curves across temperature and load variations.
• Seamless compatibility: engineered to pair with matching Eaton OEM loadcenters and panelboards, ensuring proper fit and electrical coordination.
• Versatile for multiple environments: ideal for residential panels, commercial electrical rooms, and light industrial installations where stable circuit protection is critical.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FDB3020L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 600 V
• Number of Poles: 3
• Typical Application: Branch circuit overcurrent and short-circuit protection

Why this breaker matters

In any electrical panel, the right breaker balances protection with reliability. The 3-pole configuration of the FDB3020L is well-suited for 3-phase systems and multi-wire branch circuits, delivering fast, predictable tripping when faults occur while maintaining normal operation under typical loads. Its compact form helps maximize panel capacity without sacrificing safety.

Tips for use and maintenance

• Ensure you’re installing the FDB3020L in a compatible Eaton panelboard or loadcenter to maintain proper coordination and warranty coverage.
• Periodically verify torque on terminal screws during servicing and after any wiring changes to prevent loose connections.
• Use in applications where 20 A circuits power lighting, receptacles, or small-motor loads, ensuring the total load remains within panel design limits.