Eaton Cutler-Hammer FD3100L 100A 3P 600V Circuit Breaker | AmpState

The Eaton Cutler-Hammer FD3100L 100A 3P 600V Circuit Breaker is a proven, ready-to-use solution for safeguarding panelboards, load centers, and electrical distribution systems. Designed for everyday electrical work, this 3-pole breaker delivers reliable three-phase protection up to 600V, helping keep installations safe and downtime to a minimum.

Why the FD3100L stands out

• Exact part-number match matters—a smart choice for spare inventories, panel builders, and maintenance teams who require precise Eaton Cutler-Hammer components.
• Three-pole design provides coordinated protection for 3-phase systems, simplifying panel layout and fault management.
• 600V maximum rating suits commercial and industrial environments where higher voltage distribution is common.
• Durable construction built to withstand routine handling, installation, and field service without compromising protection.
• Available from AmpState, with support to confirm fit and compatibility for your specific panel and bus configuration.

Ideal use cases

• Maintenance teams stocking spare breakers to minimize downtime during routine service or fault corrections.
• Panel builders configuring distribution panels that require a precise FD3100L part for seamless assembly and future serviceability.
• Electrical contractors performing upgrades or replacements in commercial facilities where three-phase protection is essential.
• Facilities managers overseeing steady, safe operation of electrical distribution networks in warehouses, data centers, and manufacturing floors.

Specifications at a glance

Amperage: 100 A • Poles: 3 • Voltage: 600V • Part number: FD3100L

How this helps your operation

• Direct compatibility reduces the risk of mismatches during stocking or panel retrofits, speeding up install times and service calls.
• Three-pole protection ensures coordinated tripping across all phases, improving selectivity and system safety in 3-phase circuits.
• Clear identification and support from AmpState simplifies procurement, especially when exact part numbers drive inventory control.

Installation and practical considerations

Before installation, ensure compatibility with your panel’s listing and bus configuration. Follow standard lockout/tagout procedures, verify the system is de-energized, and mount the breaker in accordance with the panel’s instructions. If you’re unsure about fit, message us—we’ll help confirm compatibility and identify any required accessories or substitutions.

Ready to verify fit?

Need help matching a part number or confirming compatibility? Message us and we’ll help you confirm fit for your Eaton Cutler-Hammer FD3100L 100A 3P 600V Circuit Breaker.