Eaton HKD3175X - 175 A, 600 V, 3-Pole Bolt-On Circuit Breaker | AmpState

Eaton HKD3175X is a 175 A, 600 V, 3-pole bolt-on molded case circuit breaker engineered to deliver dependable branch circuit overcurrent and short-circuit protection in panelboards and load centers. Built for stability in real-world electrical environments, this device combines robust mounting with precise protection characteristics to keep critical circuits safe and uninterrupted.

• Secure bolt-on mounting provides a rigid, vibration-resistant bus connection that stays tight through equipment startups, load fluctuations, and environments with physical vibration.
• Thermal-magnetic trip unit delivers stable, repeatable protection by accurately responding to overloads and short circuits, reducing nuisance trips while maintaining safety margins for your most demanding loads.
• 3-pole configuration designed for three-phase systems, ideal for commercial and light industrial applications where balanced protection across all phases is essential.
• 600 V rating supports higher voltage systems common in panelboards and load centers, expanding its compatibility with a wide range of equipment and distribution schemes.
• Designed for compatibility with matching OEM loadcenters and panelboards, simplifying replacement or upgrade projects and ensuring a reliable fit within established electrical architectures.
• 175 A continuous take capacity makes it suitable for protecting feeders and branch circuits feeding substantial equipment while maintaining straightforward coordination with downstream protections.

What problems does the HKD3175X solve? It provides a solid, code-compliant solution for safeguarding circuits against overloads and short circuits in spaces where reliability and compatibility matter most. By combining a secure mount with a precise thermal-magnetic trip mechanism, this breaker minimizes downtime caused by loose connections or nuisance trips, helping you maintain steady operation in demanding commercial or light industrial environments.

Use cases and ideal applications

• Protect large branch circuits feeding motors, air handlers, or heavy lighting runs in commercial spaces.
• Upgrade or replace aging breakers in panelboards and load centers that require a bolted connection for added vibration resistance.
• Install in new construction or retrofit projects where a 175 A, 3-pole, 600 V protection device is specified for three-phase distribution.
• Situations demanding predictable trip behavior to minimize downtime during peak loads or fault conditions.

Technical snapshot and practical considerations

• Thermal-magnetic molded case circuit breaker
• 175 A
• 600 V
• 3
• Bolt-on
• Branch circuit overcurrent and short-circuit protection

Why choose the Eaton HKD3175X over alternatives

• Designed to pair with compatible OEM panelboards and load centers, reducing installation complexity and ensuring a cohesive protection strategy across your distribution system.
• Combination of bolt-on rigidity and thermal-magnetic protection provides a durable solution for environments where vibration and high load demands are common.
• Three-phase protection at 175 A helps you coordinate upstream and downstream devices with clear, predictable fault responses, improving overall electrical reliability.

If you’re configuring or upgrading a distribution system that requires solid three-phase protection with a secure mount, the Eaton HKD3175X delivers a practical, reliable answer. It’s the right choice for professionals who value precise protection, straightforward installation, and compatibility with established panelboard ecosystems.