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Siemens MICROMASTER 6SE3221-3DC40

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6SE3221-3DC40

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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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Technical specifications for 6SE3221-3DC40

ManufacturerSiemens
Product TypeFrequency Converter
Product LineMICROMASTER
Part Number6SE3221-3DC40
Weight10.63 lbs (4.82 kg)
Input Voltage Range380–500 V AC
Output Frequency0–650 Hz
Enclosure RatingIP20
Input Phase3-phase
Power Rating5.5 kW
Cooling TypeInternal Fan
Input Frequency47–63 Hz
Horsepower7.5 HP
Input Current17.1 A
Output Current11.1 A
Output Voltage3-phase 0–500 V
Control MethodV/F, Vector Control
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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.