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CONNECTION OF THE POWER UNIT
4.2.3 AC connection
4.2.3.1 AC supply 400V / 3-phase
L1
L2
L3
PE
L1
L2
L3
U
V
W
T1 T2
Legend
1
Mains voltage 3-phase 400 V
Mains form TN, TT IT
Personal protection RCMA with separator or RCD type B Insulation monitor
2 Mains fuses Type gG or MCCB
3 Mains contactor
4 Mains choke 13, 14 or 15Z1B04-1000
5 KEB COMBIVERT G6-C
Figure 10: Connection of the mains supply
4.2.3.2 Supply cable
The conductor cross-section of the supply cable is dependent on the input current, the
cable according to manufacturer's data, as well as the VDE regulations.
4.2.4 DC connection
4.2.4.1 Connection at DC voltage supply
- -
U
V
W
PE
T1 T2
++
+U
-U
Legend
1 DC voltage 480…746 V
2 Fuses
Type aR
Pay attention to the permissible voltage range !
3 KEB COMBIVERT G6-C
Figure 11: Connection at DC voltage supply
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