GB - 16
Connection of the Power Unit
3.2.1.2 AC supply 400V / 3-phase
Picture 3.2.1.3 Connection for power supply
L1
L2
L3
PE
L1
L2
L3
U
V
W
PE
PE
T1 T2
1 Mains voltage 3-phase 400 V AC
Mains form TN, TT IT
Personal protection RCMA with separator or
RCD type B
Earth leakage monitor
2 Main fuses Type gG or MCCB
3 Mains contactor
4 Mains choke (optional) 13, 14 or 15Z1B04-1000
5 KEB COMBIVERT G6-C
3.2.1.3 Line terminal strip X1A
X1A Name Function Cross-section Tightening
torque
L1, L2,
L3
Mains connection
3-phase
0.2-16 mm²
AWG 26-6
2.3 Nm
20.5 lb-inch
PE,
Connection for pro-
tective earth
Screw M4 for
ring thimble
1.3 Nm
11 lb inch
3.2.1.4 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.