Protective Earth And Function Earth; Protective Earth; Functional Earthing; Figure 21: Connection For Protective Earth - KEB COMBIVERT F6 Series Instructions For Use Manual

cONNecTION OF THe POWer UNIT

4.2.2 Protective earth and function earth

4.2.2.1 Protective earth

The protective earth (PE) serves for electrical safety particularly personal protection in
error case.
cAUTION
Name
Connection for protective
Figure 21: Connection for protective earth

4.2.2.2 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.
Protective and functional earth must not be connected to the same terminal.
electric shock due to incorrect dimensioning!
► Cross-section wire to ground should be selected according to
IEC 60364-5-54!
Function
M8 threaded pin with nut for
earth
Incorrect installation of the protective earth
Only M8 threaded pins with nut may be used as connection for protective earth!
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/fileadmin/media/Manuals/emv/0000neb0000.pdf
connection type
M8 crimp connector
DIN
Tightening torque
10...15 Nm
88...132 lb inch
61