Eaton / Cutler-Hammer FDP365TR – 400A, 3-Pole Vertical Main Fusible Panel-Mount Switch – FDP Series

Introducing the Eaton / Cutler-Hammer FDP365TR — a rugged 400A, 3-pole vertical main fusible panel-mount switch engineered for industrial-duty load isolation and overcurrent protection in switchboards and panelboards. As part of the FDP Series, this device embodies the reliability and performance required in demanding electrical environments, while carrying forward the proven legacy of the Westinghouse FDP vertical main switch.

Why the FDP365TR stands out

• 400A, 3-pole configuration delivers robust main isolation for high-current panel assemblies, ensuring reliable protection for feeders and downstream equipment.
• Vertical panel-mount design tailored for space-efficient installations within switchboards and panelboards, simplifying wiring layouts and maintenance access.
• Fusible main switch provides clear, prompt protection against overloads and short-circuits, enabling straightforward fault isolation and safer maintenance work.
• Industrial-duty construction built to withstand the rigors of heavy-use environments, from manufacturing floors to utility service rooms.
• Part of the FDP Series — a trusted line within Eaton / Cutler-Hammer offerings, with heritage that includes the legacy Westinghouse FDP vertical main switch design.
• Compatibility with switchboard and panelboard applications designed to integrate into existing electrical infrastructures where reliable load isolation is essential.

Ideal use cases

The FDP365TR is purpose-built for installations that require a dependable main shutoff with overcurrent protection. It’s a strong fit for:

• New panelboard or switchboard builds in industrial plants, factories, and processing facilities.
• Retrofits or replacements in existing FDP-series or legacy Westinghouse-based vertical main switch configurations.
• Systems where physical space favors a vertical, panel-mounted solution without compromising protection performance.

Practical value and outcomes

With the FDP365TR, you gain:

• Clear protection coordination for downstream circuits, helping minimize outage impact during faults.
• Safe, straightforward maintenance access thanks to a convergent vertical mounting footprint.
• Long-term reliability in industrial settings, backed by Eaton / Cutler-Hammer’s engineering standards and FDP-series heritage.
• Versatile integration into both new installations and upgrades of existing panels that require a dependable fusible main switch.

Key details at a glance

• Model: FDP365TR
• Current rating: 400A
• Poles: 3
• Mounting: Vertical panel-mount
• Type: Main fusible switch
• Series: FDP Series (Eaton / Cutler-Hammer)
• Typical applications: Switchboards and panelboards requiring reliable load isolation and overcurrent protection

Designed for professionals who need a dependable main switching solution that pairs robust protection with practical installation considerations, the FDP365TR stands ready to enhance safety, reliability, and uptime in demanding electrical systems.