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
