Eaton Cutler-Hammer FD3125 125A 3P 600V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer FD3125, a trusted 125A three-pole circuit breaker engineered for robust protection in panelboards, load centers, and electrical distribution systems. This unit is a reliable choice for both new installations and retrofit projects where maintaining a consistent part number is essential for planning and maintenance.

Why this breaker stands out

• 125 A rating, 3 poles, 600 V — designed to safeguard three‑phase circuits and feeders against overloads and short circuits while supporting demanding commercial and light industrial applications.
• Compatibility-first design — widely used in panelboards and distribution setups, making it a practical fit for retrofit work where the part number needs to stay consistent for inventory and replacement planning.
• Maintenance-friendly — its familiar form factor and Eaton Cutler-Hammer lineage simplify stocking, ordering, and scheduled maintenance without introducing compatibility surprises.
• Reliable protection, ready for service — built to deliver dependable disconnection when faults occur, helping to minimize downtime and protect downstream equipment.

Specifics at a glance

• Manufacturer: Eaton Cutler-Hammer
• Part Number: FD3125
• Product Type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage: 600V
• Availability: AmpState

Ideal use cases

• Retrofit projects in existing panelboards and distribution centers where keeping the same part number streamlines maintenance and procurement.
• Commercial and light industrial electrical distribution where consistent 3P protection at 600V is required.
• Inventory planning for facilities with Eaton FD3125 installations to reduce stock confusion and ensure quick replacements.

If you’re unsure about fit or compatibility, AmpState is ready to help. Message us to confirm the FD3125’s suitability for your panel, load center, or distribution setup, and we’ll verify the match to keep your project on track.