High Efficiency Motors

Efficiency classes for IEC line motors

In March 2014 the standard IEC 60034-30-1 has been published. It replaces the standard IEC 60034-30:2008, which has defined three efficiency levels for three-phase induction motors to date. The updated standard IEC 60034-30-1 now includes the fourth efficiency level IE4. Furthermore 8-pole motors and an extended power range are now included in the standard Learn more from SIEMENS