This European directive comes into force in two phases. From July 2021, it requires the efficiency class Premium Efficiency (IE3) for 2- to 8-pole electric motors from 0.75 kW to 1,000 kW. From July 2023, it requires the efficiency class Super Premium Efficiency (IE4) for 2- to 6-pole motors of medium power from 75 kW to 200 kW. In accordance with the regulation, Siemens offers the Simotics SD motor series consistently in IE4 for all affected motors. In addition, however, also for motors with an output of up to 1,000 kW as well as for 8-pole motors from 55 kW, which are still exempt from the second stage from 2023. Users of Simotics motors can thus meet the increasing requirements for energy efficiency and environmental compatibility in the long term.
Highly efficient motors also allow users to save energy, lower their operating costs and reduce CO2 emissions. Such motors are typically used in the process industry for pumps, fans, compressors, extruders, mixers, agitators, centrifuges, rollers, or winders. This applies primarily to the Water, Wastewater, Chemical, Oil & Gas, Cement, Paper, Marine and Metal processing industries.