Eaton HKD3175 - 175 A, 600 V, 3-Pole Circuit Breaker | AmpState

The Eaton HKD3175 is a compact, 3-pole molded case circuit breaker engineered for dependable branch circuit overcurrent and short-circuit protection in panelboards and loadcenters. With a rugged design and a focus on space efficiency, it helps you maximize panel layout without compromising safety or performance.

• Compact molded case design optimizes space inside panelboards, making it easier to fit multiple circuits in confined enclosures while maintaining clear labeling and organization.
• Thermal-magnetic trip unit delivers stable, repeatable protection by combining thermal overload sensing with magnetic short-circuit interruption, enabling fast response to severe faults and reliable nuisance-tripping prevention.
• OEM-compatible performance is designed to work with matching Eaton OEM loadcenters and panelboards, ensuring a consistent fit, predictable trip behavior, and streamlined replacement in existing installations.
• Versatile for various settings suitable for residential, commercial, and light industrial applications where strong protection of 3-phase circuits is required.

Technical snapshot

• Manufacturer: Eaton
• Part Number: HKD3175
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 175A
• Voltage Rating: 600V
• Number of Poles: 3
• Application: Branch circuit overcurrent and short-circuit protection

Who benefits from the HKD3175? It’s an ideal choice for installers and facility managers seeking a reliable 3-pole solution to safeguard feeders and distribution circuits in panelboards and loadcenters. Its 175A rating makes it well-suited for mid-size commercial panels and light industrial setups, where robust protection for three-phase systems is essential.

Why choose this Eaton breaker over generic options? The HKD3175’s combination of space-efficient design and a thermal-magnetic trip mechanism delivers precise protection tailored to panelboard configurations. Its compatibility with matching OEM enclosures minimizes compatibility risk and simplifies maintenance or future replacements within the same ecosystem.

Practical tips and considerations

• Pair the HKD3175 with a compatible Eaton panelboard or loadcenter to ensure optimal fit and coordinated protection strategy for three-phase circuits.
• Use in applications where reliable short-circuit interruption is critical, such as feeder circuits in commercial spaces and light industrial equipment enclosures.
• Plan panel layouts with the HKD3175 in mind to maximize space efficiency while maintaining clear labeling and accessibility for maintenance.