The highest efficiency tier obtainable from an electric motor today is IE5. Defined as ultra premium efficiency in the IEC 60034-30 series, this class pulls losses clearly below IE4. For facilities where energy plays a leading role in operating cost, IE5 targets both the lowest consumption and the lowest carbon emissions. HEM Motor is a manufacturer-supplier that produces its IE5 motors in-house and delivers them from stock.
This efficiency is achieved through advanced winding design and an optimised magnetic circuit. Our motors are built with IP55 protection and Class F insulation, with slip near full load at about 4%. Getting the most from IE5 usually means running it with a variable speed drive (inverter); this combination lifts system efficiency to its peak in variable-flow systems.
If you want to compare the previous tier, see our IE4 series. Let us calculate together the saving your operation would gain by moving from IE4 to IE5; for the right IE5 power and speed, current stock and a quote, call +90 (532) 345 49 86 or write via our contact page.
Complete guide: IE5 Ultra Premium Motor Complete Guide.
The IE5 ultra premium efficiency class is a threshold that asynchronous motors struggle to reach, and synchronous reluctance technology is the most common way to achieve it. So whe... More Details
The efficiency and reliability advantages of IE5 synchronous reluctance motors are undisputed; but in applications that stop and start very frequently there is a critical parameter... More Details
When you open the terminal box on an IE5 synchronous reluctance motor, you often see another separate and usually smaller box next to the main power terminals: the second or auxili... More Details
When you run an IE5 synchronous reluctance motor at very high speed continuously, for example on a turbo blower, a high-speed compressor or a test bench, the most stressed part is ... More Details
IE5 synchronous reluctance (SynRM) motors — with their magnet-free rotor, high efficiency and drive-coupled operation — represent the ultra premium efficiency class of the future. ... More Details
When selecting a motor to operate in an explosive atmosphere, the type of protection matters as much as the efficiency class. While IE5 synchronous reluctance technology stands out... More Details
The IE5 synchronous reluctance motor sits at the summit of the ultra premium efficiency class; but the invisible hero that preserves this efficiency for years is often overlooked: ... More Details
IE5 synchronous reluctance motors always run with a frequency drive (VFD), because the synchronous reluctance rotor cannot start directly from the grid. The voltage at the drive ou... More Details
IE5 ultra premium efficient synchronous reluctance motors, while offering the highest efficiency class, are often run in harsh dusty, wet or washdown environments. In these environ... More Details
The marine environment is one of the most demanding operating conditions in the world for an electric motor. Continuous vibration, the ship's inclination and roll motions, salty hu... More Details
IE5 is the "ultra-premium" efficiency class of the IEC 60034-30-1 standard, and today the most common way to reach this class is synchronous reluctance (SynRM) motor technology. W... More Details
IE5 class synchronous reluctance (SynRM) motors are becoming increasingly common in industry thanks to their magnet-free rotor design and ultra-premium efficiency. But the operati... More Details
The synchronous reluctance motor (SynRM), one of the strongest representatives of the IE5 (Ultra Premium) efficiency class, stands out by offering high efficiency and high torque d... More Details
Explosive atmospheres are one of the most sensitive areas of electric motor selection. In facilities containing gas, vapour or combustible dust, a motor's surface temperature, spar... More Details
IE5 synchronous reluctance (SynRM) motors offer the highest efficiency class while always operating together with a frequency converter (drive/VFD). This mandatory drive operation ... More Details
IE5 synchronous reluctance motors represent the efficiency class of the future with their magnet-free rotors and superior part-load efficiency; however, the most distinct differenc... More Details
The IE5 ultra premium efficiency class, together with synchronous reluctance (SynRM) technology, is setting a new standard in high-speed applications. In spindles (machining work s... More Details
The synchronous reluctance (SynRM) motor, one of the most common representatives of the IE5 (ultra premium) efficiency class, stands out with its magnet-free rotor and low losses.... More Details
The IE5 synchronous reluctance motor delivers high efficiency even at part load, promising serious savings on the energy bill. However, this motor always runs with a variable frequ... More Details
In a spinning mill the heaviest line on the electricity bill is usually not heating or lighting, but the spindle drive motors that turn quietly all day long on the ring spinning ma... More Details
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