Ac Mains Connection; Ac Supply 3-Phase; Supply Line; Figure 20: Connection Of The Mains Supply 3-Phase - KEB COMBIVERT F6 Series Instructions For Use Manual

cONNecTION OF THe POWer UNIT

4.2.3 Ac mains connection

4.2.3.1 AC supply 3-phase

L1
L2
L3
PE
No. Typ
Mains phase
①
Mains form
Personal protection
②
Mains fuses
③
Mains contactor
④
Mains choke
HF filter for TN-, TT
⑤
systems
HF filter for IT systems
⑥
KEB COMBIVERT
Figure 20: Connection of the mains supply 3-phase

4.2.3.2 Supply line

The conductor cross-section of the supply line is determined by the following factors:
•
•
•
•
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).
RCMA with separator or RCD type B
Required for compliance with the limit values in accordance with
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!
L1
L2
L3
Description
3-phase
TN, TT
Type gG or MCCB
see notes under the table
F6
U
V
W
IT
Insulation monitors
EN 61800-3.
65