Mitsubishi Electric FR-E840-0380-4-60 FR-E800 Series Variable Frequency Drive

Description

Integrating the Mitsubishi Electric FR-E840-0380-4-60 within an industrial motor control network delivers precise speed regulation and reliable torque management for demanding three-phase systems. This 400V class variable frequency drive from the FR-E800 Series features a Normal Duty (ND) rated current of 38A, specifically engineered with safety-stop capabilities and a robust circuit board coating to survive harsh industrial environments.

Features

• Voltage Class: High-performance 400 V class design optimized for global standard three-phase power supplies.
• Conformal Coating: Circuit boards feature a protective coating (-60 specification) to defend against dust, humidity, and corrosive gases.
• Flexible Control Logic: Configured for source logic control input and a source-logic fixed safety stop signal.
• Monitoring and Output: Built-in AM terminal provides precise voltage-based analog monitoring.
• Advanced Thermal Design: Designed without plated conductors, prioritizing material durability and consistent heat dissipation.

Applications

• Conveyor and material handling systems requiring strict torque control.
• Industrial fans, exhaust blowers, and centrifugal pumping systems.
• Packaging, wrapping, and labeling machinery.
• Textile, paper processing, and manufacturing machinery.

Technical Specifications

Connections and Interfaces

Alternative Models & Compatibility

The FR-E840-0380-4-60 belongs to the modern FR-E800 generation, succeeding many legacy FR-E700 series models. When migrating, note that the physical dimensions and terminal positions may vary. Suffixes like "-60" are critical for installations in aggressive, high-humidity, or chemical-heavy production plants; using standard non-coated variants in these settings will drastically reduce the Mean Time Between Failures (MTBF).

Application Pitfalls & Engineering Notes

When designing sealed control enclosures, do not rely purely on the integrated cooling fan. A 38A drive dissipates significant thermal energy under high-load cycles. Ensure local cabinet venting is calculated to prevent internal temperatures from exceeding 50 degC. Ensure that the source logic safety inputs are configured only with safe, isolated external power supplies to prevent common-mode noise issues.

Commissioning & Wiring Tips

Always run motor power cables and control/signal lines in separate, isolated metal conduits. Keep the distance between the drive output terminals (U, V, W) and the motor as short as possible; if motor cables exceed 30 meters, installing an output AC reactor is highly recommended to suppress parasitic capacitive currents and protect the motor insulation from high dV/dt voltage spikes.

Installation Guidelines