Eaton DTNF364R 200A 3P 600V Safety Switch, NEMA 3R, Fusible | AmpState

Introducing the Eaton DTNF364R, a robust 200A 3-pole safety switch engineered for reliable equipment disconnect and isolation at the point of use. Built to operate in demanding industrial environments, this NEMA 3R fusible switch provides a secure, code-friendly solution for everyday maintenance and startup shutdowns.

Why choose DTNF364R?

• Direct part-number match: A precise Eaton part (DTNF364R) that streamlines sourcing, stocking, and field service—minimizing downtime when replacements are needed.
• Three-phase protection: 3-pole configuration delivers clean, reliable disconnection for 3-phase systems up to 600V.
• Outdoor-capable NEMA 3R enclosure: Designed for rugged outdoor and damp environments, protecting critical electrical gear from weather and contamination.
• Fusible design: Provides precise overload protection and selective coordination with upstream protective devices, helping to prevent nuisance trips while safeguarding equipment.
• High current capacity: 200A rating supports mid- to large-scale equipment disconnects without compromising safety.

Ideal use cases

• Maintenance shutdowns and equipment isolation at the point of use in manufacturing lines, pumps, conveyors, and HVAC systems.
• Panel-building projects where a readily available, OEM-approved safety switch is required.
• Spare inventory for service fleets or warehouses that prioritize direct part-number compatibility.

Technical snapshot

• Manufacturer: Eaton
• Part number: DTNF364R
• Type: Safety switch, fusible
• Amperage: 200 A
• Poles: 3
• Voltage: 600V
• NEMA rating: 3R
• Availability: AmpState

Helpful tips for field installation

• Confirm fuse type and rating matches your protection scheme and upstream devices.
• Prepare for quick field servicing with the DTNF364R's accessible wiring terminals and clear disconnect path.
• Store extra fuses and keep your replacement stock aligned with Eaton part numbers to ensure fast, accurate replacements.
• Always follow lockout/tagout procedures when performing service work on disconnect switches.

Need help verifying compatibility or finding the exact fit for your panel or equipment? AmpState offers expert assistance to confirm fit and deliver the right Eaton part for your application. Reach out and we’ll help ensure you get the right DTNF364R for your system.