KEB COMBIVERT F6 Instructions For Use Manual - Caution
4.2.2 Protective earth and function earth
NOTE
Protective and functional earth must not be connected to the same terminal.
4.2.2.1 Protective earth
The protective earth (PE) serves for electrical safety particularly personal protection in
error case.
cAUTION
electric shock due to incorrect dimensioning!
► Cross-section wire to ground should be selected according to
!
Name
Function
connection type
Tightening torque
PE,
Connection for protective earth M8 threaded pin with nut for
M8 mm cable lug
10...15 Nm
88...132 lb inch
Figure 15: Connection for protective earth
Incorrect assembly of the Pe connection
Only M8 threaded pins with nut may be used as 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.
The use of the functional earth (FE) is not required if the frequency inverter is
EMC-technically wired as described in the manual => Before starting.
The functional earth may not be wired green / yellow!
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cONNecTION OF THe POWer UNIT