The IE4 Super Premium efficiency class means an electric motor can do the same work with fewer losses. A high-quality IE4 motor, however, delivers not only the efficiency figure but also winding quality, bearing life and thermal stability together.

The Standard That Defines IE4

IEC 60034-30-1 classifies motors from IE1 Standard up to IE5 Ultra Premium. IE4 Super Premium targets an efficiency above IE3 Premium, which means lower losses and less heating at the same load. Low loss is one of the factors that extends a motor's life.

Manufacturing Details That Set Quality

A high efficiency class alone is not enough; low-loss laminated steel, quality copper winding and a precisely balanced rotor let the motor hold its catalogue value in the field. Class F insulation and IP55 protection support safe operation in dusty and humid environments.

Where It Makes a Difference

IE4 motors give the greatest benefit in compressor, fan and pump systems that run continuously (S1 duty) for long hours. As operating hours rise, the energy saving from lower losses grows with them.

DRG Motor IE4 Solutions

DRG Motor, a supplier based in Izmir, produces IE4 motors from 0.55 to 355 kW with 2-, 4- and 6-pole options and B3/B5/B14 mounting types. Share your application's load profile and we will recommend an IE4 motor at the right power and speed.