Eaton FD1020L (347 V) - 20 A, 347 V, 1-Pole Bolt-On Circuit Breaker | AmpState

The Eaton FD1020L (347 V) is a purpose-built, single-pole 20 A molded case circuit breaker designed to guard panelboards and loadcenters against overcurrent and short-circuit events. With a bolt-on mounting design, it delivers a rock-solid, vibration-resistant connection that stays dependable in demanding commercial and industrial environments while protecting everyday electrical runs.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection for stable operation in panel assemblies.
• Thermal-magnetic trip unit delivers stable, repeatable protection performance against overcurrent and short circuits, helping to minimize nuisance trips during load fluctuation.
• OEM-compatible design works seamlessly with matching Eaton panelboards and loadcenters, simplifying replacement, upgrades, and serviceability.
• Versatile deployment suitable for residential, commercial, and light industrial electrical systems operating at 347V.

Use cases and scenarios

• Install as a reliable branch circuit protector in commercial lighting and power distribution panels that operate at 347V.
• Replace or upfit existing Eaton-compatible panelboards and loadcenters with a rugged, one-pole solution that maintains consistent protection performance.
• Ideal for applications where a compact, molded-case breaker is preferred for easy drop-in integration and maintenance in tight electrical enclosures.

Specs at a glance

• Manufacturer: Eaton
• Model: FD1020L
• Voltage rating: 347 V
• Amperage: 20 A
• Poles: 1
• Mounting style: Bolt-on
• Type: Thermal-magnetic molded case circuit breaker
• Applications: Branch circuit overcurrent and short-circuit protection for panelboards and loadcenters

Designed for reliability in everyday electrical systems, the FD1020L combines Eaton’s trusted thermal-magnetic technology with a bolt-on format that delivers a secure, vibration-resistant connection. Whether upgrading a commercial panel or adding protection to a new installation, this 1-pole, 20 A breaker provides precise, dependable performance at 347 V, ensuring circuits stay protected and easy to service over the long term.