The IE5 Ultra Premium efficiency class represents the highest tier defined by IEC 60034-30-1 and reduces losses by roughly 20 percent compared with the current IE4 class. This class aims to minimise operating cost in continuously running, energy-intensive applications. DRG Motor supports the path to this class with solutions geared toward high efficiency demand.
How IE5 Differs from Earlier Classes
Efficiency classes rise from IE1 Standard through IE2 High, IE3 Premium, IE4 Super Premium and IE5 Ultra Premium. Each step means producing the same mechanical power with less electrical loss. In the IE5 class, heat losses are lower, so the motor runs cooler and insulation life is extended.
How Low Losses Are Achieved
IE5 efficiency comes from higher-grade silicon steel, optimised winding design and a low-resistance rotor structure. Reducing iron and copper losses lets the motor run at higher efficiency at its rated point. This design delivers a clear energy gain, especially in fan and pump applications that run many hours.
Which Applications Are Suitable
Compressors, cooling fans, water pumps and continuous production lines that operate most of the year benefit most from the highest efficiency class. In these systems, raising the efficiency class by one tier creates measurable savings in annual consumption.
DRG Motor in the Move to High Efficiency
For businesses targeting the lowest operating cost, the right efficiency class choice is the key to long-term gain. DRG Motor evaluates your application's load profile, matches power, speed and efficiency class, and supplies from Izmir. Contact us for your high-efficiency motor needs.






