Eaton FD2100L - 100 A, 600 V, 2-Pole Circuit Breaker | AmpState

The Eaton FD2100L is a compact, 2-pole molded case circuit breaker engineered to deliver reliable branch circuit overcurrent and short-circuit protection for panelboards and loadcenters. Rated at 100 A and 600 V, it’s designed to slot into Eaton OEM panels, helping you maximize space without sacrificing dependable protection. Sold by AmpState, this breaker is a practical, ready-to-install solution for a range of applications.

Why the FD2100L stands out

• Space-efficient design — a compact molded case format minimizes footprint while preserving full breaker performance, freeing up valuable panel space for additional circuits.
• Thermal-magnetic trip unit — combines precise thermal protection for regular operating loads with immediate magnetic response for short-circuit events, delivering stable, repeatable protection across conditions.
• Seamless OEM compatibility — engineered to work with matching Eaton loadcenters and panelboards, ensuring proper fit, labeling, and reliable operation within your electrical system.
• Robust ratings for wide use — 100 A trip current at up to 600 V makes it suitable for residential subpanels, light commercial panels, and certain industrial feeders where dependable protection is essential.
• Two-pole protection — protects two live conductors simultaneously, enabling safe disconnection of both poles during fault conditions.

Technical specifications at a glance

• Manufacturer: Eaton
• Part number: FD2100L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage rating: 100 A
• Voltage rating: 600 V
• Poles: 2
• Applications: Branch circuit overcurrent and short-circuit protection for panelboards and loadcenters

Ideal use scenarios

• Residential panelboards where space is at a premium but reliable branch protection is non-negotiable
• Small commercial electrical panels serving lighting, outlets, and small equipment loads
• Light industrial panels feeding motors and control circuits where quick, stable trips are critical

Practical considerations and installation tips

• Ensure the panel is compatible with Eaton OEM breakers and that the FD2100L is the correct part number for your loadcenter model.
• Follow manufacturer's torque specifications on terminal connections to maintain a secure, code-compliant connection.
• Use in correctly rated circuits and protect downstream conductors from overcurrent by selecting the appropriate breaker size for the load.
• Plan for future expansion by pairing the FD2100L with other compatible Eaton devices to maintain consistent protection across the panel.

Whether you’re upgrading an existing panel, equipping a new installation, or stocking spare parts for routine maintenance, the Eaton FD2100L 100 A, 600 V, 2-pole molded case circuit breaker offers precise protection, compact panel integration, and dependable performance built to meet the demands of modern electrical systems.