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General| Model | FR-A044-3.7K |
|---|---|
| Category | Inverter |
| Rated Output Power | 3.7 kW |
| Applicable Motor Capacity | 3.7 kW |
| Input Frequency | 50/60 Hz |
| Control Method | V/f control, Vector control |
| Cooling Method | Forced air cooling |
| Enclosure Rating | IP20 |
| Series | FREQROL |
| Output Frequency | 400 Hz |
| Overload Capacity | 150% for 60 seconds |
| Protection Features | Overcurrent, overvoltage, undervoltage, overheat |
| Operating Temperature | 0 to +50 °C |
| Storage Temperature | -20 to +60 °C |
| Humidity | 90% RH or less (non-condensing) |
| Altitude | 1000 m or below |
| Dimensions | 150mm |
| Input Voltage | 3-phase 380-480 V AC |
Precautions against electric shock, fire, and injury during operation.
Description of three primary inverter operation modes.
General precautions and steps for connecting power supply, motor, and signals.
Procedures for connecting the power supply and motor to the inverter.
How to set key parameters like frequency reference and max frequency.
Classification of operation modes: External, PU, and Combined.
List and meaning of inverter error codes and how to resolve them.
Diagnosing and resolving issues with motor starting, speed, and current.
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