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2.5 IE3 / IE4 ready
2.5
IE3 / IE4 ready
Ambitious climate protection goals in Europe call for increasingly energy-efficient
components.
With this in mind, the energy efficiency class IE3 / IE4 has been mandatory since January
2015 (with exceptions) for three-phase asynchronous motors, and this will have an effect on
motors, low-voltage power distribution systems, and industrial controls.
This applies:
● Since January 1, 2015 for motors from 7.5 kW to 375 kW
● From January 1, 2017 for motors from 0.75 kW to 375 kW
You will be optimally equipped for the current motor generation with the SIRIUS modular
system components and 3VA molded case circuit breakers.
You will find information on IE3 / IE4 at:
Information IE3 (http://www.siemens.com/IE3ready)
Note
Using 3RT contactors with IE3 / IE4 motors
For the use of 3RT contactors in conjunction with highly energy-efficient IE3 / IE4 motors,
please observe the information on dimensioning and configuring in the "Application Manual -
SIRIUS Controls with IE3 / IE4 Motors
(https://support.industry.siemens.com/cs/ww/en/view/94770820)".
26
SIRIUS - SIRIUS 3RT Contactors/Contactor assemblies
Manual, 09/2017, A5E03656507120A/RS-AE/006
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