Eaton Cutler-Hammer HFD3125L 125A 3P 600V Circuit Breaker | AmpState

Meet the Eaton Cutler-Hammer HFD3125L, a 125 A, 3-pole, 600 V circuit breaker designed to deliver dependable protection for panelboards, load centers, and distributed electrical systems. Available from AmpState, this unit is ideal for replacement projects and stocking spares when you need to keep your bill of materials aligned with the original part number.

specifications

• Manufacturer: Eaton Cutler-Hammer
• Part Number: HFD3125L
• Product Type: Circuit Breaker
• Amperage: 125 A
• Poles: 3
• Voltage: 600 V

Why this matters for your electrical system

• Exact BOM compatibility: Designed to match the original Eaton specification, helping you avoid mismatches during panel upgrades or repairs.
• Reliable protection for feeders and branch circuits: The 125 A rating with 3 poles provides robust interruption capability for three-phase distribution.
• Easy stock management: Keep spare units on hand to minimize downtime and streamline maintenance for panelboards and load centers.

Ideal use cases

• Replacement projects in commercial, industrial, and institutional electrical distributions.
• Spare parts provisioning to maintain original equipment warranties and BOM integrity.
• Upgrading or refurbishing panelboards and load centers that require Eaton-compatible protection devices.

How this compares and what to consider

• Designed to integrate seamlessly with Eaton-designed panelboards and distribution equipment, reducing fit issues and installation time compared to generic alternatives.
• Matches the 600 V operating environment typical in industrial facilities, helping you maintain consistent protection across systems.

Need help confirming fit?

If you’re unsure about compatibility with your specific panel or BOM, send us a message. We’ll help you verify the fit and ensure you select the exact HFD3125L unit you need for a smooth, reliable installation.