Eaton | CP4HD321G | Fusible Bus Plug | 30A | 3-Pole | 240V

Meet the Eaton CP4HD321G Fusible Bus Plug — a purpose-built, field-ready component that delivers precise 30A, 240V protection in a clean 3-pole design. Engineered for maintenance, retrofit, and replacement tasks, it slots into compatible Eaton assemblies with matching specifications for reliable, consistent performance.

Why technicians choose CP4HD321G:

• Exact compatibility: Part number CP4HD321G is the best reference to ensure you’re selecting the right bus plug for your system.
• Compact 3-pole, 240V configuration: Optimizes space in panel layouts while delivering balanced, multi‑phase protection.
• Rated 30A: Suitable for feeders and protecting circuits that require a precise 30‑amp protective device.
• Maintenance-friendly: Designed for retrofit and replacement scenarios to minimize downtime and inventory complexity.

Practical use cases

• Retrofits: Upgrade legacy setups to modern protection without overhauling the panel.
• Maintenance: Stock as a ready-to-install spare for rapid service trips.
• Replacement: Swap worn or damaged bus plugs to restore reliable fault isolation.

Important notes

• Check fit and ratings before ordering — ensure your Eaton system matches the CP4HD321G specifications.
• Best reference: Use the CP4HD321G part number as the compatibility guide when sourcing replacements.

With the CP4HD321G bus plug in your maintenance toolkit, you’ll have a straightforward, compatible solution for protecting electrical feeders in 240V, three-pole configurations. Built by Eaton, a trusted name in electrical protection, this fusible bus plug helps you deliver dependable protection, easier serviceability, and reduced downtime in field installations.