High-power electric motors are the systems that drive heavy industrial machinery, large pump stations and industrial fans. In this class, mechanical durability, cooling and stability under continuous load matter far more than they do in smaller units.

Housing and Cooling at High Power

At 90 kW and above, a cast iron housing is virtually standard. Cast iron damps the vibration produced by high torque and, with its broad fin structure, sheds heat more effectively. IP55 protection and Class F insulation keep the motor safe in dusty, hot plant environments.

Torque, Speed and Starting

High-power motors are usually built with 4 or 6 poles; speeds of 1,500 rpm and 1,000 rpm deliver the torque suited to heavily loaded crushers, mills and conveyors. To limit inrush current at high power, use with a soft starter or a variable-frequency drive is recommended.

Efficiency Class and Operating Cost

On a large, continuously running motor, the efficiency class is the most decisive factor in total cost. Under IEC 60034-30-1, choosing IE4 over IE3 means thousands of kWh saved each year at high power, since losses scale with the size of the rating.

DRG High-Power Solutions in İzmir

İzmir-based supplier DRG Motor builds high-power 400 V / 50 Hz cast iron motors up to 355 kW. Share the power and load character of the machine you intend to drive, and we will offer the right speed and efficiency class with a current quotation.