Electric motors and machines

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K11R

VEM EX-E MOTORS

Gas classified motor for potentially explosive environments Ex II 2G, Ex e IIC T3 Gb (Ex II 2G, Ex e II T1-T3)

  • frame sizes 63 – 355
  • power range 0,12 kW – 275 kW
  • 400/690 V 50 Hz
  • mode of operation S1/S9
  • relubrication device (NS) as standard starting from frame size IEC 200
  • insulated bearing, thermistors (TPM), 1 kpl/phase as standard starting from frame size IEC 250
  • speeds 3000, 1500, 1000, 750 1/min
  • 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
  • cooling method IC 411
  • available also with classification for frequency converter operation
  • energy efficiency classes IE3, IE2, IE1 and non-classified
  • voltage range “zone A” as standard, “zone B” also available
  • temperature class T3 as standard, T4 also available

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