3-8
CDA3000 Operation Manual
3 Installation
Wire cross-section
.
3.5 DC network
The inverter modules run in regenerative operation (braking) in a DC
network feed power into the DC network which is consumed by the motor-
driven inverter modules.
DC network operation of several inverter modules minimizes the power
consumption from the mains and external braking resistors can be
eliminated where appropriate.
Note: It is essential that a DC network operation be checked at the
project planning stage. Please consult your project engineer.
Inverter module
Device
connected load
[kVA]
Max. possible wire
cross-section of
terminals [mm²]
Recommended mains
fusing (gL)
[A]
CDA32.004 1.7 2.5 1 x 10
CDA32.006
CDA32.008
CDA34.003
CDA34.005
2.3
3.0
1.6
3.0
2.5
1 x 16
1 x 16
3 x 10
3 x 10
CDA34.006 4.2 2.5 3 x 10
CDA34.008
CDA34.010
5.7
7.3
2.5
3 x 10
3 x 16
CDA34.014
CDA34.017
10.2
12.4
4.0
3 x 20
3 x 25
CDA34.024
CDA34.032
17.5
23.3
10
3 x 35
3 x 50
CDA34.045
CDA34.060
CDA34.072
32.8
43.8
52
25
3 x 50
3 x 63
3 x 80
CDA34.090
CDA34.110
65
80
50
3 x 100
3 x 125
CDA34.143
CDA34.170
104
124
Threaded bolt M8
3 x 160
3 x 200
CDA34.250
145
173
Threaded bolt M8
3 x 250
3 x 315
Table 3.2 Wire cross-sections and mains fuses (VDE0298 must be
observed)
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