5
POWER CABLING
5.1
CABLE CONNECTIONS
The mains cables are connected to terminals L1, L2 and L3. The motor cables are connected
to terminals U, V and W.
A
B
C
U/T1
V/T2
W/T3
L1
L2
L3
D
C
-
DC+/R+
R
-
Fig. 35: The principal connection diagram
A. The control panel
B. The control unit
C. The power unit
Use cables with a minimum heat resistance of +70 °C (158 °F). In the selection of the cables
and the fuses, refer to the nominal output current of the drive. You can find the nominal
output current on the nameplate.
Table 15: The selection of the correct cable
Cable type
EMC requirements
1
st
environment
2
nd
environment
Category C2
Category C3
Category C4
The mains cable
1
1
1
The motor cable
3 *
2
2
The control cable
4
4
4
POWER CABLING
VACON · 57
24-HOUR S358 (0)201 212 575 · EMAIL: [email protected]
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