Eaton HFD3125L - 125 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HFD3125L — a 125A, 600V, 3-pole molded case circuit breaker designed to deliver reliable branch circuit overcurrent and short-circuit protection within panelboards and loadcenters. Built to integrate seamlessly with matching OEM panels, this unit helps you optimize space without sacrificing safety or performance in residential, commercial, and light industrial installations.

Key features that matter in the real world

• Compact molded case design maximizes panel space, enabling cleaner, more organized electrical distribution in tight enclosures.
• Thermal-magnetic trip unit provides stable, repeatable protection, balancing sensitivity and selectivity to minimize nuisance trips while safeguarding wiring and equipment.
• 125A, 600V rating supports demanding branch circuits while maintaining robust performance across a range of loads and environments.
• Three-pole configuration supports three-phase systems and common-trip protection for multi-wire circuits, simplifying installation and coordination.
• OEM-compatible designed to work with matching Eaton and other OEM loadcenters and panelboards for straightforward replacement and serviceability.

Who is this for?

• Electrical contractors and facility managers upgrading or replacing panelboard protection in residential buildings, small offices, and light commercial spaces.
• Households and small businesses needing dependable, space-efficient protection that aligns with standard panelboards.
• Projects that require a trusted, industry-standard breaker with precise trip behavior and durable construction.

Why it solves real problems

The HFD3125L combines a compact footprint with a dependable thermal-magnetic trip mechanism, delivering consistent protection where panel space is at a premium. Its 125A rating suits mid-sized branch circuits, while the 600V rating accommodates a range of workloads common in modern electrical systems. By matching Eaton’s design language and panel compatibility, it simplifies replacement, reduces maintenance headaches, and helps keep electrical distribution reliable across diverse applications.

Specifications at a glance

• Manufacturer: Eaton
• Part Number: HFD3125L
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 125A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection