Eaton HKD3225C - 225 A, 600 V, 3-Pole Circuit Breaker | AmpState

Meet the Eaton HKD3225C — a robust 225 A, 600 V, 3-pole molded case circuit breaker engineered for dependable branch circuit protection in panelboards and loadcenters. Built to safeguard residential, commercial, and light industrial projects, this breaker pairs compact design with precise protection to keep systems running smoothly.

Why this breaker stands out

• Space‑saving molded case design: A compact profile that frees panel space without compromising performance, making it easier to fit into tight electrical enclosures and streamline bus layout.
• Thermal‑magnetic trip unit: Combines thermal overcurrent sensing with magnetic instantaneous protection for stable, repeatable trips during faults or overloads, and quick response to short circuits.
• Direct compatibility with OEM panels: Engineered to pair with Eaton’s own line of loadcenters and panelboards, ensuring proper fit, reliable electrical coordination, and straightforward field replacement.
• Versatile, multi‑application protection: Ideal for 3‑phase or multi‑branch configurations in residential, commercial, and light industrial settings that require solid, predictable protection for critical circuits.

Technical snapshot

• Type: Thermal‑magnetic molded case circuit breaker
• Amperage rating: 225 A
• Voltage rating: 600 V
• Number of poles: 3
• Part number: HKD3225C
• Application: Branch circuit overcurrent and short‑circuit protection

Practical use cases

• Upgrading panelboards in light commercial spaces that run multiple three‑phase machines or large motors, where reliable protection and coordinated trip characteristics are essential.
• Installing a main feeder or sub‑feed in residential or small‑to‑mid‑size commercial projects where space is at a premium but protection must not be compromised.
• Retrofits and replacements in Eaton‑equipped systems to maintain compatibility, simplify maintenance, and preserve existing electrical coordination schemes.

What problems it solves

• Prevents damage from sustained overloads and protects downstream equipment from dangerous faults with fast, predictable trip behavior.
• Maximizes panel organization and ease of installation by offering a compact footprint that doesn’t force panel redesign.
• Eliminates uncertainties when expanding or updating existing systems by ensuring consistent compatibility with OEM panels.

Tips for best results

• Verify panelboard compatibility with Eaton HKD series breakers to maintain proper trip coordination and labeling.
• Follow manufacturer torque specs on terminal connections to ensure a reliable, long‑lasting connection.
• Use in applications where 3‑pole protection is needed for 3‑phase loads or multi‑branch circuits to maximize protection coverage.