Operating Instructions – Synchronous Compact Servomotors CMDV55 – CMDV162
127
9
Project planning for cable cross section
Prefabricated Cables
9
Prefabricated Cables
9.1
Project planning for cable cross section
Prefabricated cables with cross sections of 1.5 mm
2
to 16 mm
2
can be ordered from
SEW-EURODRIVE.
9.1.1
Cable dimensioning according to EN 60402
Cable load through current I in A according to EN 60204-1 table 5, ambient temperature
40 °C
These data are merely recommended values and are
no substitute for the detailed
project planning
of the cables depending on the concrete application considering the
applicable regulations.
Observe the voltage drop that occurs along the cable in particular with the DC 24 V
brake coil when dimensioning the cross sections for the brake cable. The acceleration
current is decisive for the calculation.
30
50
70
90
110
130
150
0
10
20
30
40
50
60
70
80
90
100
1,5 mm²
2,5 mm²
4 mm²
6 mm²
10 mm²
16 mm²
25 mm²
I [A]
l [m]
100
Cable cross section
mm
2
Three-core
sheathed
cable in
duct or cable
A
Three-core
sheathed
cable on top
of each other on
wall
A
Three-core
sheathed
cable next
next to one another
horizontally
A
1.5
12.2
15.2
16.1
2.5
16.5
21.0
22
4
23
28.0
30
6
29
36.0
37
10
40
50.0
52
16
53
66.0
70
25
67
84.0
88
35
83
104.0
114
P
i
f
kVA
Hz
n
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