IE2 / IE3 Motors

IE2 / IE3 Motors

Salient Features of the “new” IE efficiency class motors from Siemens:

  • Frame Size 71 to 355
  • Power Range 0.37kW to 315kW
  • Number of Poles 2, 4, 6
  • Motor Material Frame: Cast Iron (with mounting feet integral to the housing – for constructions with feet)
  • Terminal Box: Generously dimensioned, Rotatable through 360° in steps of 90°; on Top as a standard
  • Fan Cowl: Sheet Steel; Fan: Thermoplastic (Cast Iron for 2P in Frames 250 and above)
  • Efficiency Classes IE2 (as a standard), IE3 upon enquiry
  • Marking Ratings covered under IS:12615-2011 will be marked with the appropriate efficiency class
  • Degree of protection IP55 as per IS:4691
  • Voltages 415V Standard. For other voltages possible please contact nearest sales office.
  • Frequency 50Hz (New IS:12615 does not cover any other frequency. Motors can be offered for 60Hz but without IE marking).

Type of Construction

  • (For other possible constructions contact nearest sales office)
  • Frames up to 132: IMB3, IMB5, IMV1, IMB35, IMB14, IMB34
  • Frames 160 – 315M: IMB3, IMB5, IMV1, IMB35
  • Frames 315L – 355L: IMB3, IMV1, IMB35
  • Cooling Type IC411 as per IS:6362. (Totally Enclosed Fan Cooled)
  • Ambient Conditions (Standard)
  • 50°C, Altitude ≤ 1000m
  • Temperature Class Class F, most of them utilised to Class B
  • Bearing System 63 Series for frames 160 and above. Identical bearings at DE and NDE help reduce inventory
  • Lubrication System Regreasable bearings for frames 160 onwards


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