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The Mitsubishi FR-A740-3.7K functions as an inverter adapted for use in applications requiring three-phase power. This device operates effectively within a rated voltage range of 380 to 480 Volts AC and supports motor capacities of 3.7 kW.
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| Manufacturer | Mitsubishi |
|---|---|
| Product Line | FREQROL FR-A7 |
| Part Number | FR-A740-3.7K |
| Weight | 8.00 lbs (3.63 kg) |
| Overload Current Rating | 150%, 60s; 200%, 3s at surrounding air temperature 50 degrees C |
| Rated Voltage | 380 to 480 Volts AC |
| Phase | Three-phase |
| Regenerative Torque | 10% torque and continuous |
| Brake Transistor | Not included |
| Power Supply Capacity | 6.9 kVA |
| Cooling System | Forced air |
| Fan | Not included |
| Enclosure | Open type |
| Specifications | U.S. specifications |
| Description | Inverter |
| Motor Capacity | 3.7 kW |
| Rated Capacity | 6.9 kVA |
| Rated Current | 9 Amps |
The FR-A740-3.7K inverter from Mitsubishi is engineered for efficient operation in three-phase applications. It accommodates a rated voltage of 380 to 480 Volts AC, suitable for different motor configurations. This unit can handle an overload current of 150% for up to 60 seconds and 200% for just 3 seconds while managing a surrounding air temperature of 50 degrees Celsius, which ensures robust performance under high demand conditions. Its continuous regenerative torque is rated at 10%, allowing for smooth operation in processes that require energy recovery.
The inverter has a power supply capacity of 6.9 kVA, translating to a rated current of 9 Amps. Designed with an open-type enclosure, it lacks a fan, but features a forced air cooling system to help maintain optimal temperatures for efficiency during operation. Additionally, it weighs 3.8 kilograms, which contributes to its suitability for various mounting scenarios in industrial environments. Overall, the FR-A740-3.7K is tailored to meet the rigorous demands of modern industrial control systems.