IE4 Electric Motors

Hoyer IE4 motors are defined by premium energy efficiency. It offers great opportunities for energy savings across markets and applications.

Frame size

80-355

Output

0,75-315 kW

Protection class

IP 55

Insulation class

F

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Technical information

Hoyer IE4 AC electric motors are manufactured according to international standards under IEC 60034-30 and are fulfilling the requirement of the EC Directive 2009/640/EC, (EU) 2019/1781/EC and 2014/4/EU Ecodesign for energy related products. They have a proven high quality, reliability and performance.

The motors are asynchronous low voltage three-phase TEFC squirrel-cage motors. Type HMA4 (aluminum) size 80-180 and HMC4 (cast iron) size 160-355. All aluminium and cast iron motors are provided with premium quality bearings and 3xPTC in windings. Motors in size 80-200 have closed bearings greased for life. As standard all Hoyer IE4 motors have fixed bearing in drive end.

All IE4 motors are provided with plastic blind caps in all supply connections and are as standard IP55, prepared for drain holes and painted C3L according to ISO 12944-5:2018 in color RAL 9005 low gloss.

400V Y – Hoyer IE4 Motors ≤ 3 kW
400V D – Hoyer IE4 Motors ≥ 3 kW

Other voltages are supplied on request.

Energy efficiency and MEPS

Energy efficiency is a main focus area related to CO2 emissions and industrial pollution. Across borders legislation and Minimum Energy Performance Standards (MEPS) are put into force to improve the efficiency of electric motors. The European MEPS are defined in the Ecodesign directive and Hoyer IE4 fulfils these future regulations.

From July 1 2023 all electric motors between 75-200 kW that are commissioned for land-based industrial applications within EU/EEA must be IE4 or higher. At Hoyer Motors we are ready to support you in the pursuit of energy efficiency.

Application information

The electric motors are used for a wide variety of applications across markets. Some of the typical applications are:

Fans and HVAC – read about our HVAC solutions here
Hydraulics – read about our HPU solutions here
Pumps – read about our pump solutions here
Compressors and cooling

Let us support you

If you have any questions please get in contact with us. At Hoyer we work to increase your performance.

Documentation

The scale of documentation required varies from industry to industry. We have made it easy for you to hand-pick the documentation package you need. Just go to our certificate section.

See all certificates