Mitsubishi Electric FR-A840-06100-2-60 FR-A800 Series Variable Frequency Drive Inverter

Description

Executing high-capacity motor control in demanding industrial environments, the Mitsubishi Electric FR-A840-06100-2-60 is a high-performance variable frequency drive designed for the FR-A800 series architecture. This 400V class inverter is engineered with a Super Light Duty (SLD) rating of 610A, making it highly suitable for large-scale pumps, fans, and heavy-duty industrial machinery. The unit features built-in protective circuit board coating (3C2) to resist atmospheric contaminants and humidity, ensuring long-term operational reliability in harsh industrial conditions. It is configured as a standard model without plated conductors, prioritizing robust electrical performance and structural integrity in centralized motor control centers.

Features

• High-Capacity Power Output: Designed for 400V class systems with a high Super Light Duty (SLD) current rating.
• Environmental Protection: Standard configuration includes 3C2 class conformal circuit board coating to guard against corrosion, dust, and humidity.
• Advanced Vector Control: Supports real sensorless vector control and vector control with encoder feedback for precise speed and torque regulation.
• Built-in Safety & Functionality: Integrated safety stop functions (STO) conforming to ISO 13849-1 PLd/Cat.3 and SIL2 standards.
• Optimized Thermal Design: Heat dissipation system engineered for large-scale electrical panel integration.

Applications

• High-volume municipal and industrial water pumping systems.
• Large-scale HVAC supply and exhaust ventilation fans.
• Industrial air compressors and gas blower installations.
• Conveyor systems and bulk material handling equipment in mining or cement processing.

Technical Specifications

Alternative Models & Compatibility

This model replaces older FR-A740 series configurations of equivalent capacity. When migrating from the A700 series, verify panel mounting dimensions and control terminal wiring differences. Parameter configurations can be imported and converted using the FR-Configurator2 software utility to maintain application logic compatibility.

Application Pitfalls & Engineering Notes

With a high unit weight of 170 kg, mechanical installation requires dedicated lifting lugs and structures rated for the load. Ensure the installation enclosure is designed for the high thermal dissipation profile of a 610A SLD drive. Maintain standard clearance guidelines above and below the drive to facilitate proper airflow through the cooling heatsinks. Do not block the intake or exhaust paths.

Commissioning & Wiring Tips

Always use symmetrical, shielded motor cables to prevent electromagnetic interference (EMI) issues with nearby low-voltage instrument signals. Connect the grounding terminals directly to the system's common ground busbar using short, heavy-gauge cables. Prior to initial power-up, verify that the motor thermal overload parameter (Pr. 9) is matched to the actual connected motor nameplate full-load current to prevent motor damage during high-load operations.

Installation Guidelines