4
vacon • 24
Power cabling
Local contacts: http://drives.danfoss.com/danfoss-drives/local-contacts/
4.
P
OWER
CABLING
The mains cables are connected to terminals L1, L2 and L3 (or L and N) and the motor cables to
terminals marked with U, V and W. See principal connection diagrams in Figure 15 and Figure 16.
See also Table for the cable recommendations for different EMC levels.
Figure 15. Principal connection diagram (three-phase version).
* Only for 3~ units.
Figure 16. Principal connection diagram (single-phase version)
U/T1
V/T2
W/T3
M
L1
L2
L3
DC
+/
R+
R-
DC-
(*
)
Keypad
Control
Power unit
U/T1
V/T2
W/T3
M
L
N
DC
+
DC
-
Keypad
Control
Power unit