Electric motors and machines

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WU-series

VEM MOTORS FOR FREQUENCY CONVERTER OPERATION

Surface cooled squirrel cage motor for frequence converter operation, efficiency class IE3

IE3-motor for frequency converter use without filter.

  • frame sizes 63 – 400
  • power range 1,18 kW – 710 kW
  • 400/690 V 50 Hz
  • mode of operation S9
  • relubrication device (NS) as standard starting from frame size IEC 180
  • insulated bearing, thermistors (TPM), 1 kpl/phase as standard starting from frame size IEC 180
  • vibration nipples (SPM) as standard starting from frame size IEC 180
  • insulated bearing (IL) on N-end starting from frame size IEC 315
  • speeds 3000, 1500, 1000, 750 and 500 1/min
  • frame sizes 132 – 355: Û ≤ 2,5 kV, dU/dt ≤ 5,0 kV/μs
  • robust, low-vibration grey-cast iron design
  • protection class IP 55 as standard, higher degrees up to IP 66 on request
  • thermal class 155 (F) as standard, class 180 (H) available as an option