DC Drives

Sinamics DCM 6RA80

DC Drives are excellent choice for constant load applications due the steady load torque characteristics. The torque is maintained constant irrespective of the low or high speeds.The advantages are

  • Single quadrant and 4 Quadrant operations available
  • Constant torque on all speeds
  • Simplicity in control
  • Excellent speed control
  • Open/Closed loop control
  • Field weakening control
  • Economical
  • Less harmonics compared to ac drives


  • Rolling mills
  • Extruders
  • Machine tool applications
  • Wire drawing machines
  • Banberry applications
  • Cranes


High Lights of 6RA80 DC Master Drives

  • Versatile DC drive with complete protection
  • Available in 3 Ph.415 v ac to 950V ac input supply
  • 15 amps to 3000 amps rated current
  • 2 quadrant and 4 quadrant
  • Modular and expandable
  • Flexible communication options
  • Fast and simple commissioning
  • PC based programming tools available
  • Refer www.support.automation.siemens.com for complete range of products.


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