KEB COMBIVERT F6 Series

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lterforTN-,TT
systems
Required for compliance with the limit values in accordance with EN 61800-3.
HFlterforITsystems
⑥
KEB COMBIVERT F6
Figure 22: Connection of the mains supply 3-phase
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CONNECTION OF THE POWER UNIT
4.2.3 AC mains connection
4.2.3.2 Supply cable
The conductor cross-section of the supply cable is determined by the following factors:
• Input current of the drive controller
• Used cable type
• Installation type and ambient temperature
• The locally valid electrical regulations
The application engineer is responsible for the design!