Mitsubishi FR-A741-37K Variable Frequency Drive
The Mitsubishi FR-A741-37K Variable Frequency Drive provides 71A output current and drives 37kW induction motors using a 380–480V supply. Built within the Mitsubishi automation lineup, it features vector control, regenerative 4Q operation, and the FR-DU07 LED display. Categorized under the Mitsubishi Variable Frequency Drive range, it belongs to the FR-A SERIES. Additional functions include 12 digital inputs, RS-485, PLC capability, IP00 protection, and MODBUS-RTU networking.
| Brand/Manufacturer | Mitsubishi Electric |
| Product Type | VFD (Variable Frequency Drive) |
| Model No. | FR-A741-37K |
Mitsubishi Variable Frequency Drive FR-A741-37K Technical Specifications:
| Specification | Value |
|---|---|
| Series | FR-A SERIES |
| Type | FR-A741 INVERTER |
| Minimum Rated Voltage (V) | 380 |
| Min. Permissible Voltage (V) | 323 |
| Maximum Rated Voltage (V) | 480 |
| Max. Permissible Voltage (V) | 528 |
| Current Type | AC |
| Phases | 3 |
| Rated Output Current ND (A) | 71 |
| Rated Motor Capacity ND (kW) | 37 |
| Frequency Range (Hz) | 0,2–400 |
| Control Method | VECTOR CONTROL |
| Motor Type | INDUCTION MOTOR |
| Brake Chopper ED (%) | 30 |
| Integrated EMC Filter | YES |
| Display | FR-DU07 |
| Display Type | 4 DIGITS LED |
| Program Memory | 1K |
| Program Memory Unit | STEPS |
| Integrated Digital Inputs | 12 |
| Digital Outputs (Transistor) | 5 |
| Digital Outputs (Relay) | 2 |
| Depth (mm) | 368 |
| Width (mm) | 470 |
| Height (mm) | 700 |
| Protection Class | IP00 |
| Weight (kg) | 80 |
The Mitsubishi FR-A741-37K Variable Frequency Drive delivers reliable motor performance with a 71A output rating, a 37kW capacity, and a 380–480V operating range. Its vector control system maintains stable torque and speed, making it suitable for demanding induction motor applications. As part of the FR-A SERIES, this model includes regenerative functionality, integrated PLC logic, and FR-DU07 display support for clear operational feedback in industrial automation environments.
The Mitsubishi FR-A741-37K Variable Frequency Drive is used in heavy conveyors, packaging machinery, industrial processing, and material handling systems. Regenerative braking improves deceleration efficiency, while RS-485 and MODBUS-RTU ensure seamless communication with plant control systems. With its durable structure, multiple digital inputs, and consistent performance, it supports continuous-duty cycles in facilities requiring stable and predictable motor control.
The Mitsubishi FR-A741-37K Variable Frequency Drive ensures dependable operation through its 71A output, vector control capabilities, and robust 380–480V handling. Mitsubishi engineering supports long service life, secure motor regulation, and efficient energy recovery during braking. With integrated PLC functions, structured I/O, and flexible networking, this model is a trusted choice for industrial users needing consistent, technically reliable motor control across demanding applications.
