Eaton FDC3020 - 20 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Meet the Eaton FDC3020 — a 20 A, 600 V, 3-pole bolt-on molded case circuit breaker designed to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. Built for demanding electrical environments, this unit combines rugged mounting with precise protection so you can trust it to guard both equipment and people.

Why the Eaton FDC3020 stands out

• Bolt-on mounting provides a rigid, vibration-resistant bus connection, reducing loosening risks in environments with motion or mechanical vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection—responding to both sustained overcurrents and short circuits to minimize nuisance trips while still guarding circuits.
• 3-pole design ensures coordinated disconnection across all poles, ideal for 3-phase systems and shared-neutral applications typically found in commercial and light industrial settings.
• Wide compatibility engineered to work with matching OEM loadcenters and panelboards, simplifying upgrade paths and fleet replacements.
• Versatile application suitable for residential, commercial, and light industrial installations where reliable protection is essential.

Technical snapshot

• Manufacturer: Eaton
• Part Number: FDC3020
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 20 A
• Voltage Rating: 600 V
• Poles: 3
• Mounting Style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal uses and installation considerations

The Eaton FDC3020 is a purpose-built choice for panelboards and loadcenters that require sturdy, bolt-on protection with precise trip behavior. It’s well-suited for installations where three-phase protection is needed or where three separate conductors must be simultaneously disconnected for safety and code compliance. Its 600 V rating makes it compatible with higher-voltage commercial and industrial circuits, while the 20 A rating is ideal for managing moderate loads without frequent nuisance trips.

Installers and project planners will appreciate the compatibility with OEM panelboards—a streamlined replacement or upgrade path that helps keep electrical systems consistent and reliable. Because the unit uses a bolt-on connection, it’s particularly advantageous in environments where vibration resistance and a robust bus connection are priorities, such as equipment rooms, food processing facilities, or commercial spaces with mechanical equipment.

Practical tips for getting the most from your breaker

• Confirm your panelboard or loadcenter is designed for bolt-on breakers to ensure proper fit and safe operation.
• Plan for a three-pole solution when protecting 3-phase circuits or equipment that benefits from simultaneous disconnection across all conductors.
• Match the 20 A rating to the actual load profile to balance protection with maximum usable capacity.
• Keep the trip unit—thermal-magnetic—calibrated by proper service procedures to maintain stable protection performance over time.
• Use this breaker in applications spanning residential, commercial, and light industrial environments where dependable overcurrent protection is critical.

Whether you’re upgrading an aging panel, implementing a new commercial installation, or protecting domestic equipment in a multi-purpose building, the Eaton FDC3020 delivers reliable, code-compliant protection with a straightforward bolt-on design. Available from AmpState, it’s a practical, durable choice that keeps electrical systems safe and running smoothly.