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Mitsubishi’s FR-A540-45K-EC from the FREQROL FR series is a versatile frequency drive designed for both constant and variable torque applications. This unit delivers constant torque capabilities at 45 kW and 86 amps, while variable torque performance reaches up to 55 kW and 96 amps.
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| Manufacturer | Mitsubishi |
|---|---|
| Product Line | FREQROL FR |
| Part Number | FR-A540-45K-EC |
| Weight | 1.00 lbs (0.45 kg) |
| Constant Torque | 45 kW, 86 AMP |
| Variable Torque | 55 kW, 96 AMP |
| Enclosure Rating | IP20 |
| Ambient Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +65°C |
| Frequency Setting Resolution | 0.01 Hz |
| Protective Features | Communication Error Protection, Motor Overheat Protection, Overcurrent Protection |
| Cooling Method | Forced air cooling |
| Overload Capacity | 150% for 60 seconds |
| Rated Current | 86A |
| Enclosure Structure | Open type (IP00) |
| Acceleration/Deceleration Time | 0.1 to 3600 seconds |
The Mitsubishi FR-A540-45K-EC frequency drive is engineered for high performance in industrial settings. It is capable of providing constant torque of 45 kW at 86 amps and variable torque peaking at 55 kW and 96 amps. The durable IP20 enclosure safeguards internal components while permitting air circulation. Operating temperature conditions are specified from -10°C to +50°C, with the ability to withstand storage temperatures down to -20°C and up to +65°C.
Designed with precision in mind, it features a frequency setting resolution of 0.01 Hz, allowing for meticulous adjustments to meet operational requirements. Safety mechanisms are integrated into the drive, including protection against communication errors, motor overheating, and overcurrent situations, ensuring operational integrity. The cooling of the unit is achieved through forced air cooling, vital for maintaining optimal performance.
In terms of handling overload conditions, this drive can endure up to 150% of its rated current for a duration of 60 seconds, providing additional flexibility under stress. The rated current of this model is 86A, and the total weight with the control unit is approximately 35 kilograms. Its open-type structure is classified as IP00, permitting extensive airflow. The acceleration and deceleration times can be configured from a swift 0.1 seconds to a gradual 3600 seconds, allowing for adaptable motor control based on system needs.