Eaton / Cutler-Hammer FDPW325MR – 400A, 3-Pole Main Fusible Panel-Mount Switch – FDPW Series

The Eaton / Cutler-Hammer FDPW325MR is a 400A, 3-pole main fusible panel-mount switch from the FDPW Series designed for industrial switchboards and panelboards. This dedicated disconnect provides reliable load isolation and built-in overcurrent protection in a compact, panel-mounted form factor, helping protect distribution circuits and simplify maintenance workflows.

• 400A, 3-pole main fusible design — true three-phase isolation with protected feeder connections, ideal for centralized power distribution.
• Panel-mount installation — streamlined integration into existing panels and enclosures, reducing wiring complexity and enclosure footprint.
• Industrial-duty construction — built to withstand demanding environments where dependable protection and uptime matter.
• Clear protection and isolation — serves as a dedicated main disconnect point with built-in overcurrent protection for switchboards and panelboards.
• Simple maintenance workflow — straightforward servicing with a single, accessible main disconnect, helping minimize downtime during inspections or fuse replacements.

Ideal applications

Use the FDPW325MR in medium-to-large electrical distribution systems where a robust main disconnect is required. It’s well-suited for switchboards and panelboards that power critical machinery, process lines, or large feeder circuits, delivering dependable isolation for safe maintenance and servicing.

Why this model stands out

What differentiates the FDPW325MR is its combination of a high-current rating, a streamlined panel-mount form, and the proven reliability of Eaton / Cutler-Hammer components. In one compact unit, you gain both main protection and a clean, organized installation point for your three-phase distribution—reducing wiring clutter and aligning with standard panel architectures.

Practical considerations

When selecting this device, ensure compatibility with your panel layout and the corresponding fuse elements within the FDPW Series. Plan for proper wiring routing to maintain clear access to the main disconnect and to meet your facility’s electrical safety and maintenance procedures.