Eaton / Cutler-Hammer FDPW325R – 400A, 3-Pole Branch Fusible Panel-Mount Switch – FDPW Series

Meet the Eaton / Cutler-Hammer FDPW325R — a 400A, 3-pole branch fusible panel-mount switch from the FDPW Series. Engineered for industrial-duty load isolation and overcurrent protection, this switch is built to keep your panelboards and switchboards safe and reliable when it matters most.

Why the FDPW325R stands out

• Three-pole, 400A capability delivers balanced protection across all phases in a 3-phase system, ensuring consistent performance under load.
• Branch fusible design combines switching with fast, reliable fault interruption to minimize damage and downtime during electrical faults.
• Panel-mount practicality offers straightforward integration into existing panels or new installations, reducing installation complexity.
• Industrial-duty reliability drawn from Eaton’s FDPW Series, designed to endure demanding environments typical of switchboard and panelboard applications.
• Defined protection point provides a clear isolation location between source and load, aiding maintenance and fault response.

Ideal use cases

This switch is ideal for switchboards and panelboards in manufacturing facilities, process plants, water treatment and utility sites, or any setting that relies on robust 3-phase power distribution. It’s especially valuable where motor loads, heavy industrial equipment, or inductive processes require dependable protection and easy maintenance access.

How it fits into your electrical distribution

The FDPW325R complements standard panel configurations by supplying a dedicated fusible switch that can serve as a main or branch protection point. This helps you meet protection coordination goals while providing a practical, accessible service point for routine maintenance and fault management.

Practical installation and care tips

• Ensure compatibility with your panel’s bus and space constraints before installation.
• Coordinate fuse ratings with your system’s short-circuit current and load conditions for appropriate protection coordination.
• Follow all safety procedures during installation and servicing, including de-energizing equipment and adhering to lockout/tagout practices.