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CONNECTION OF THE POWER UNIT
4.2.3.2 Functional earthing
A functional earthing may also be necessary, if for EMC requirements additional poten-
tial equalization between devices or parts of the system must be available.
The use of the functional earth (FE) is not required if the frequency inverter is
EMC-technically wired.
The functional earth may not be wired green / yellow!
Notes on EMC-compatible installation can be found here.
www.keb.de/leadmin/media/Manuals/emv/0000neb0000.pdf
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