Description:

The Mitsubishi FR-A740-1.5K-CHT is a high-performance variable frequency drive (VFD) from the FR-A700 series, designed for precise speed and torque control of three-phase AC motors. Commonly installed in industrial automation systems, it provides efficient motor control with advanced features such as vector control and energy-saving operation. Maintenance teams and system integrators use this inverter for motor speed control, system upgrades, and replacement of legacy drives in demanding applications.

Applications:

This Mitsubishi frequency inverter is used in industrial automation systems requiring precise motor speed and torque control. Typical applications include conveyors, pumps, fans, compressors, machine tools, and production equipment where efficient operation, energy savings, and stable motor control are critical to system performance.

Technical Specifications:

• Manufacturer Part Number (MPN): FR-A740-1.5K-CHT
• Product Type: Variable Frequency Drive (VFD) / AC Drive
• Series: FR-A700
• Rated Power: 1.5 kW (2 HP)
• Input Voltage: 3-phase 380–480 VAC
• Output Voltage: 3-phase 0–input voltage range
• Output Frequency: 0.2 to 400 Hz
• Rated Output Current: Approx. 4.1–4.5 A
• Control Method: Advanced vector control (V/F and sensorless vector)
• Overload Capacity: 150% for 60 seconds
• Braking Method: Built-in braking transistor (model dependent)
• Communication: RS-485 (Modbus RTU compatible)
• Protection Functions: Overcurrent, overvoltage, undervoltage, overload, overheat
• Cooling Method: Forced air cooling
• Mounting Type: Panel mount
• Operating Temperature: -10°C to 50°C
• Protection Rating: IP20 (typical)
• Application Class: Heavy-duty industrial motor control
• Status: Discontinued / legacy (replaced by FR-A800 series)

Common Replacements:

• Mitsubishi FR-A840-1.5K-CHT (direct successor)
• Mitsubishi FR-A820-1.5K
• Mitsubishi FR-E740-1.5K (lighter-duty alternative)