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The Siemens MICROMASTER 6SE3221-3DC40 is a frequency converter with a power rating of 5.5 kW. Operating between 380 and 500 V AC, it can deliver an output frequency range of 0 to 650 Hz, making it suitable for a wide range of applications.
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| Manufacturer | Siemens |
|---|---|
| Product Type | Frequency Converter |
| Product Line | MICROMASTER |
| Part Number | 6SE3221-3DC40 |
| Weight | 10.63 lbs (4.82 kg) |
| Input Voltage Range | 380–500 V AC |
| Output Frequency | 0–650 Hz |
| Enclosure Rating | IP20 |
| Input Phase | 3-phase |
| Power Rating | 5.5 kW |
| Cooling Type | Internal Fan |
| Input Frequency | 47–63 Hz |
| Horsepower | 7.5 HP |
| Input Current | 17.1 A |
| Output Current | 11.1 A |
| Output Voltage | 3-phase 0–500 V |
| Control Method | V/F, Vector Control |
The Siemens 6SE3221-3DC40 belongs to the MICROMASTER series, serving as a reliable frequency converter specializing in motor control. It functions effectively with an input voltage spanning from 380 to 500 V AC and has the capability of operating at an output frequency up to 650 Hz.
With a power rating of 5.5 kW and 7.5 horsepower, this unit is well-suited for various industrial motor applications. It is designed to handle 3-phase input connections, drawing an input current of 17.1 A while delivering an output current of 11.1 A. The output voltage is equally versatile, delivering 3-phase voltage from 0 to 500 V, making it adaptable to different motor requirements.
An internal fan cooling system is incorporated to ensure efficient thermal management during operation, which is essential for maintaining reliability under various working conditions. The device has an IP20 enclosure rating, indicating protection against dust and direct contact with electrical components.
This frequency converter operates effectively at input frequencies ranging from 47 to 63 Hz. Control methods employed include V/F and Vector Control, providing flexibility and precision for controlling speed and torque in various applications. Weighing approximately 6.8 kg, the MICROMASTER 6SE3221-3DC40 is designed for ease of installation and operation in various settings.