The AC high-kW IE4 electric motor is a solution designed for facilities seeking both substantial power and top-tier energy efficiency at once. The IE4 Super Premium class sits near the top of the IEC 60034-30-1 efficiency ladder and minimises losses at high power.
What IE4 Means at High kW
The efficiency gap grows in monetary terms as power increases. On a 132 kW or 200 kW motor, moving up to the IE4 class brings a clear reduction in annual energy consumption compared with IE2 or IE3. On large, continuously running motors, this difference pays for itself quickly.
Structural Features of the IE4 Motor
To reach IE4 efficiency, the motor uses more copper and higher-grade, lower-loss silicon steel laminations. The cast iron frame carries the thermal and mechanical load at high kW; Class F insulation and IP55 protection support S1 continuous duty in demanding industrial environments.
Speed and Application Match
For continuous loads such as pumps, fans and compressors, 4-pole (1500 rpm) IE4 motors are ideal; 6-pole (1000 rpm) options serve lines that demand high torque. Paired with a frequency inverter, the IE4 motor keeps its high efficiency even at partial load.
DRG Motor for High Efficiency
DRG Motor supplies its AC high-kW IE4 motors in İzmir, suited to 400 V / 50 Hz supply with B3/B5 mounting. Based on your plant's load profile, it helps you select the most efficient motor by defining power, speed and mounting type together. Reach our team for a quotation.






