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Asynchronous three-phase motors IE3

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IE3 aluminium casing motors

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IE3 cast iron casing motors

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CHTMOTOR.COM IE3 three-phase asynchronous motors offer Premium Efficiency according to IEC 60034-30-1, compliant with the Ecodesign Directive EU 2019/1781 which since 2023 makes IE3 motors mandatory for most industrial applications in Europe.

The IE3 range includes motors with aluminium casing (IE3 CHT-A) and cast iron casing (IE3 CHT-G), available in 2, 4, and 6 poles. Thanks to superior efficiency, IE3 motors generate significant energy savings of 2-5% compared to IE1 motors, with a typical return on investment of 1-3 years.

All CHTMOTOR.COM IE3 motors are compatible with frequency converters (inverters/VFDs) and feature reinforced winding insulation for reliable long-term operation even with inverter-fed power supply.

Contact our technical team for help selecting the optimal IE3 motor for your specific application.

FAQ — Asynchronous three-phase motors IE3

What does IE3 efficiency class mean?

IE3 (Premium Efficiency) represents the third level of energy efficiency according to IEC 60034-30-1. Since 2023 in Europe, IE3 motors are mandatory for most industrial applications under the Ecodesign Directive EU 2019/1781.

What advantages do IE3 motors offer compared to IE1?

IE3 motors offer significantly higher efficiency, with typical energy savings of 2-5% compared to IE1 motors. Over a 15-20 year lifecycle, the energy cost savings far exceed the higher initial motor cost.

Are CHTMOTOR.COM IE3 motors available in cast iron and aluminium?

Yes, CHTMOTOR.COM offers IE3 motors with both aluminium casing (IE3 CHT-A) and cast iron casing (IE3 CHT-G), available in 2, 4, and 6 poles. This ensures maximum flexibility in choosing the most suitable motor for your application.

Can IE3 motors be used with inverters?

Yes, CHTMOTOR.COM IE3 motors are compatible with frequency converters (inverters/VFDs). The winding insulation is designed to withstand the electrical stresses typical of inverter-fed operation.

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