KEB COMBIVERT F6 Instructions For Use Manual - page 49
4.2.3 Ac connection
4.2.3.1 AC supply 400 V / 3-phase
L1
L2
L3
PE
L1
L2
L3
U
V
W
PE
PE
PE
PE
No.
Typ
Description
①
Mains voltage
3-phase 400 Vac
Mains form
TN, TT
IT
The rated voltage between one phase conductor and earth potential (or arti-
ficialneutralpointintheITmains)mustnotexceed300V(effectivevalue).
Personal protection
RCMA with separator or RCD type B
Earth leakage monitor
②
Mains fuses
Type gG or MCCB
③
Mains contactor
④
Mains choke
see notes under the table
⑤
HFfilterforTN-,TT
systems
Required for compliance with the limit values in accordance with
HFfilterforITsystems
⑥
KEB COMBIVERT
F6
Figure 16: Connection of the mains supply 400 Vac / 3-phase
4.2.3.2 Supply line
The conductor cross-section of the supply line is determined by the following factors:
• input current of the drive converter
• used cable type / installation and ambient temperatures
• applicable local electrical regulations
The application engineer is responsible for the design!
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cONNecTION OF THe POWer UNIT