Eaton | HKD2400F | Circuit Breaker | 400A | 2-Pole

Meet the Eaton HKD2400F Circuit Breaker — a heavy-duty 400A, 2-Pole protection device designed for maintenance, retrofit, and replacement projects where exact specifications matter.

Identified by the part number HKD2400F, this breaker is built to slot into Eaton-compatible panels and distribution setups that require this specific model. Before ordering, confirm fit and ratings to ensure seamless operation in your electrical system.

Key specifications

• Amperage: 400A
• Poles: 2-Pole
• Reference: Part number HKD2400F

Why this matters

Choosing the HKD2400F means you're matching the exact Eaton protection profile for high-current circuits. The 2-pole design provides simultaneous disconnect on both live conductors, helping to improve safety during servicing and enabling coordinated tripping across critical feeders.

Ideal use cases

• Maintenance: replace worn or failed breakers in existing Eaton systems without changing the panel architecture.
• Retrofit: upgrade legacy installations to meet current electrical protection standards while maintaining panel compatibility.
• Replacement: serve as a direct substitute when a HKD2400F model is specified by the panel manufacturer or service manual.

Compatibility and installation tips

The HKD2400F is the best reference for compatibility because the part number precisely identifies its fit with Eaton panels and assemblies. Not every panel accepts this model, so rely on your panel's documentation or the service manual to verify acceptance before purchase. When installing, ensure the current rating, pole configuration, and physical dimensions align with the existing breaker bank and bus arrangement.

Built for reliability in demanding environments, the Eaton HKD2400F 400A 2-Pole Circuit Breaker is a trusted choice for professionals who demand exact specs and dependable protection in their electrical distribution systems.