Basic devices in the power range 110 ... 200 kW
DC supply 400/500 V devices
5.4
5.4.4
5.4−4
EDSVF9383V EN 7.1−04/2012
5.4.4 DC supply 400/500 V devices
Stop!
The user is responsible for sufficient strain relief!
ƒ For compliance with EMC requirements, Lenze recommends to use
shielded DC−bus cables.
ƒ Shield clamps are not included in the scope of supply.
BR2BR1+UG -UG
PE
U
VWL1
101
102
103
104
L2
L3
PE
40 mm
PE
15-20 Nm
M6
133-176 lb-in
+U
G
-U
G
25-30 Nm
M8
221-264 lb-in
max.
300 mm
1
0
9300VEC074
Fig. 5.4−4 Connection example to +U
G
and −U
G
BR1, BR2 Brake resistors can only be operated with variants V270 and V300
Connect the DC−bus cable shield to the conductive control cabinet
mounting plate with a contact surface as large as possible by using
the shield clamps.
Conductive surface
Ensure to have the poles right!
5.4.5 Fan connection 400/500 V devices
Lay a bridge between the terminals when a controller is operated on a mains.
AC 340 ... 440 V AC 440 ... 577 V
(when being delivered)
L1 L2
101
102
103
104
101
102
103
104
L1 L2
9300vec044 9300vec045
Fan connection when
controller is supplied with
mains voltage
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