Eaton FDC3110 - 110 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

The Eaton FDC3110 is a rugged, three-pole bolt-on molded case circuit breaker built to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a 110 A rating and a 600 V maximum, this breaker is designed to handle demanding commercial and light industrial circuits while keeping equipment and personnel safe.

• Secure bolt-on mounting: provides a rigid, vibration-resistant bus connection that stays tight under equipment vibrations, reducing the risk of loose terminations and arcing.
• Thermal-magnetic trip unit: combines precise thermal overload protection with fast magnetic short-circuit response for stable, repeatable protection performance.
• Three-pole configuration: delivers balanced, three-phase protection ideal for motors and multi-phase distribution, helping maintain system stability and selective tripping.
• Wide compatibility: designed to pair with matching OEM load centers and panelboards for a reliable, matched installation experience.
• Versatile applications: suitable for residential, commercial, and light industrial environments where dependable protection and straightforward replacement are priorities.

Key specifications at a glance

• Manufacturer: Eaton
• Part number: FDC3110
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 110 A
• Voltage rating: 600 V
• Poles: 3
• Mounting style: Bolt-on
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use cases and practical benefits

Install the Eaton FDC3110 in service panels, distribution panels, and equipment rooms where a robust, three-phase breaker is required. It’s especially well-suited for motor-driven loads, lighting and power circuits in commercial spaces, or light industrial equipment rooms that demand reliable protection and durable mounting. The bolt-on design ensures a solid bus connection in environments with vibration or shifting panels, while the thermal-magnetic trip delivers predictable performance even during transient surges.

How this breaker stands apart

Compared to more common plug-in breakers, the FDC3110’s bolt-on construction provides a more rigid, vibration-resilient connection for long-term reliability. The combination of a thermal element for steady overload protection and a magnetic element for rapid short-circuit tripping means fewer nuisance trips and clearer protection coordination across multi-pole circuits. When you need a dependable, industry-standard breaker that fits tightly with Eaton’s own load centers and panelboards, the FDC3110 is engineered to deliver.

Installation and maintenance mindset

Plan for a straightforward replacement in compatible panelboards, with attention to proper torque and secure mounting to maintain optimal contact pressure. Regular inspection of the bus connections and mounting hardware during routine panel maintenance will help sustain consistent protection performance over time.