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Siemens SINAMICS 6SL3845-7NN41-8AC0

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6SL3845-7NN41-8AC0

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The Siemens 6SL3845-7NN41-8AC0 is a medium-voltage converter specifically designed for high-performance applications. With a rated output voltage of 3.3 kV, it operates effectively at an input voltage of 3 × 3.3 kV and provides substantial output current.

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Technical specifications for 6SL3845-7NN41-8AC0

ManufacturerSiemens
Product TypeMedium-Voltage Converter
Product LineSINAMICS
Part Number6SL3845-7NN41-8AC0
Input Voltage3 × 3.3 kV
Rated Output Voltage3.3 kV
Output Current3 × 1750 A
Output Power9600 kW
Apparent Power10,500 kVA
Power Loss150 kW
Efficiency0.986
Cooling MethodWater cooling
Degree of ProtectionIP43
Altitude1000 m
Output Frequency0–250 Hz
Sound Pressure75 dB(A)
Control MethodVector control
Line Frequency Tolerance47–63 Hz
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The 6SL3845-7NN41-8AC0 from Siemens is engineered for medium-voltage conversion tasks. It supports an input voltage of 3 × 3.3 kV and maintains a rated output voltage of 3.3 kV. Deployed in significant industrial applications, this converter is capable of delivering an output current of 3 × 1750 A, which translates to a powerful output capacity of 9600 kW.

This medium-voltage unit also exhibits an apparent power rating of 10,500 kVA, making it suitable for demanding energy requirements. Operating with a power loss of 150 kW, it achieves high efficiency levels of 0.986. The unit is equipped with a water cooling system to ensure consistent performance even during prolonged use.

The converter's design includes an IP43 enclosure rating, allowing it to withstand a variety of conditions. It is rated to function effectively at altitudes up to 1000 meters. The output frequency range of this device spans from 0 to 250 Hz, accommodating various applications. Additionally, noise output is measured at a sound pressure level of 75 dB(A), which users should consider in noise-sensitive environments.

Vector control is utilized for its operation, enhancing precision in motor control applications. Furthermore, it maintains line frequency tolerance between 47 and 63 Hz, ensuring reliable performance across varied electrical systems.