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Siemens SINAMICS 6RN7011-6SK42-2AA0

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6RN7011-6SK42-2AA0

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The Siemens 6RN7011-6SK42-2AA0 is a static excitation unit designed for demanding DC drive applications. With a 950 Volts AC supply voltage and a direct current rating of 2,200 amperes, it ensures effective slip-ring excitation.

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Technical specifications for 6RN7011-6SK42-2AA0

ManufacturerSiemens
Product TypeStatic Excitation Unit
Product LineSINAMICS
Part Number6RN7011-6SK42-2AA0
Supply Voltage Rating950 Volts AC
Supply Frequency Rating50 to 60 Hertz
Allowable Frequency Range45 to 65 Hertz
Rated Phase3-phase
General ApplicationUsed for slip-ring excitation in DC drive systems
Protection RatingIP23
Ambient Operating Temperature5 to 40°C (non-condensing)
Direct Current Rating2,200 Amperes
Cooling MethodAir cooling
Maximum Installation Altitude6,561.68 feet (2,000 meters) above sea level
Humidity Tolerance5% to 95% relative humidity (without condensation)
Storage Temperature-25 to 70°C (non-condensing)
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The Siemens part number 6RN7011-6SK42-2AA0 is a specialized static excitation unit within the SINAMICS series, specifically engineered for use in DC drive systems. Capable of providing a supply voltage of 950 Volts AC, this unit is designed to handle three phases effectively. Its specifications include an operational frequency spectrum that accommodates 50 to 60 Hertz, with a permissible variation range spanning from 45 to 65 Hertz.

In terms of current handling, this unit can manage a substantial direct current of up to 2,200 Amperes, making it suitable for heavy-duty applications. Cooling is achieved through air circulation, maintaining efficient operational temperatures while in use. For environmental considerations, this excitation unit is rated IP23, signifying a suitable level of protection against solid objects and moisture.

The ambient temperature range for operation extends from 5 to 40°C in non-condensing environments, ensuring stable performance conditions. Additionally, it can be installed at heights reaching 6,561.68 feet (2,000 meters) above sea level, and it supports relative humidity levels ranging from 5% to 95%, provided there is no condensation. For storage, the temperature range is significantly broad, from -25 to 70°C, enabling flexible application in various climates.