Eaton FDB1020L - 20 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton FDB1020L — a 20A, 347V, 1-pole bolt-on molded case circuit breaker designed to deliver dependable branch-circuit protection in panelboards and load centers. From AmpState, this unit is built to stand up to the demands of commercial and light industrial environments while remaining suitable for residential applications where protected circuits demand solid reliability.

Why this breaker stands out

• Secure bolt-on mounting provides a rigid, vibration‑resistant bus connection, helping maintain alignment and contact quality in busy electrical spaces.
• Thermal-magnetic trip unit delivers stable, repeatable protection against both overloads and short circuits, reducing nuisance trips and protecting connected equipment.
• OEM‑level compatibility is designed to work with matching Eaton OEM load centers and panelboards, ensuring a seamless fit in existing systems.
• 1-pole, 20A design protects a single hot conductor, making it ideal for branch circuits that require reliable overcurrent protection without unnecessary complexity.
• 347V rating aligns with commercial distribution practices, providing appropriate protection in higher-voltage panel environments.

Where and how you’ll use it

Ideal for new installations or retrofits in panelboards and load centers that demand dependable 20A protection on a single phase. Whether wiring lighting, receptacle circuits, or small motors in commercial or light industrial settings, the FDB1020L offers consistent trip behavior and robust physical mounting to withstand installation and service conditions.

Practical benefits and outcomes

• Reduced downtime thanks to predictable thermal-magnetic trip performance that responds quickly to faults without excessive delay.
• Longer service life in vibration-prone environments due to secure bolt-on mounting that maintains solid electrical connections over time.
• Smoother maintenance and replacement with a unit designed to integrate with Eaton’s OEM line, minimizing compatibility concerns during upgrades or panel servicing.

Technical snapshot

• Part Number: FDB1020L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage: 20A
• Voltage: 347V
• Number of Poles: 1
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

When you’re configuring power protection for commercial or light industrial panels, the Eaton FDB1020L provides a precise, reliable solution that pairs with OEM panel equipment and meets the demands of higher voltage systems. Ensure correct panel compatibility and torque specifications during installation for optimal performance.