Mitsubishi FR-D740-3.7K-CHT 3.7KW 380V Programmable Logic Controller Inverter FRD74037KCHT

Description:

The Mitsubishi FR‑D740‑3.7K‑CHT is a 3.7 kW, 380 V programmable logic controller (PLC) inverter used for variable speed control of three‑phase AC motors in industrial automation systems. Commonly installed on pumps, fans, conveyors, mixers, and other machinery requiring precise motor control, it provides smooth acceleration, deceleration, and energy‑efficient operation. Maintenance teams, system integrators, and OEMs use this inverter for motor control upgrades, replacements, and system expansions in applications that demand reliable adjustable speed performance and process optimization.

Applications:

This Mitsubishi frequency inverter is used across a wide range of industrial motor control applications where adjustable speed and torque are needed to enhance performance and reduce mechanical stress. Typical uses include conveyors, HVAC systems, pumps, compressors, packaging equipment, mixers, and material handling systems where variable frequency drive control improves operational efficiency, smooth operation, and energy savings.

Technical Specifications:

• Manufacturer Part Number (MPN): FR‑D740‑3.7K‑CHT
• Product Type: 3‑Phase Frequency Inverter / VFD
• Input Voltage: 3‑Phase 380 V AC
• Output Power: 3.7 kW
• Output Current: Approx. 11 A
• Control Method: V/f control with advanced features
• Frequency Range: 0.1–400 Hz
• Overload Capacity: 150% for 1 minute
• Drive Type: PWM inverter
• Built‑in Functions: PID control, DC braking, torque boost
• Communication Options: RS‑485/Modbus (optional)
• Cooling Method: Built‑in fan
• Protection Class: IP20
• Mounting Type: Panel mount
• Operating Temperature: ‑10°C to 50°C
• Storage Temperature: ‑20°C to 65°C
• Safety Features: Overcurrent, overvoltage, overheat protection

Common Replacements:

• Mitsubishi FR‑D740‑5.5K‑CHT
• Yaskawa GA500‑3.7K
• Siemens SINAMICS G120 6SL3210‑1PB32‑5UV0