Eaton R9M3400FJ - 400A, 600V, 3-Pole, Disconnect Switch

The Eaton R9M3400FJ is a robust 3-pole disconnect switch engineered for reliable on/off isolation and dependable overcurrent protection in demanding industrial and commercial environments. With a 400A rating at 600V, this compact fusible switch is designed to handle demanding motor and distribution tasks while keeping your electrical system safe and serviceable.

Key specifications

• Model: R9M3400FJ
• Amperage: 400A
• Voltage: 600V
• Poles: 3-Pole

Why this matters

Three-pole configuration ensures full three-phase isolation, reducing arc energy and simplifying wiring within motor control centers, panelboards, and branch circuits. The fusible switch design provides inherent overcurrent protection, helping you meet safety and code requirements while occupying a compact footprint that fits tight electrical rooms and crowded panels.

What makes it unique

• Compact, maintainable design: A space-efficient solution that’s straightforward to service, with accessible access for fuse replacement and routine checks.
• Integrated protection: Combines isolation and overcurrent protection in a single unit, reducing the need for separate protective devices and wiring complexity.
• Versatile applications: Ideal for motor disconnects, panelboards, and branch circuit protection where reliability and ease of maintenance matter most.

Ideal use scenarios

Use the R9M3400FJ in facilities with motor-driven equipment such as conveyors, pumps, fans, and compressors. It’s well-suited for distribution panels in manufacturing, processing plants, and commercial buildings where space is at a premium but protection and quick isolation are non-negotiable.

Practical benefits at a glance

• Clear, rapid accessibility for safe disconnection during maintenance or fault conditions
• Durable construction designed to withstand demanding industrial environments
• Simplified installation and wiring with a three-pole configuration that aligns with typical three-phase systems
• Reduced downtime through reliable isolation and straightforward fuse access

Choose the Eaton R9M3400FJ when you need a proven, compact disconnect switch that delivers dependable three-phase isolation and overcurrent protection in a single, maintainable package. It’s a practical, space-conscious solution for motor control, panel assemblies, and branch circuitry in both industrial and commercial settings.