65
cONNecTION OF THe POWer UNIT
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 line type
• Installation and ambient temperatures
• The locally valid electrical regulations
The application engineer is responsible for the design!
4.2.3 Ac mains connection
4.2.3.1 AC supply 3-phase
L1
L2
L3
PE
L1
L2
L3
U
V
W
No
.
Typ
Description
①
Mains phase
3-phase
Mains form
TN, TT
IT
The rated voltage between one phase conductor and earth potential (or the
neutral point in the IT system) must not exceed 300V.
(For the IT system, a short-term disconnection must be ensured).
Personal protection
RCMA with separator or RCD type B
Insulation monitors
②
Mains fuses
Type gG or MCCB
③
Mains contactor
④
Mains choke
see notes under the table
⑤
HF filter for TN-, TT
systems
Required for compliance with the limit values in accordance with
EN 61800-3.
HF filter for IT systems
⑥
KEB COMBIVERT
F6
Figure 20:
Connection of the mains supply 3-phase
Summary of Contents for COMBIVERT 10F6 Series
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