SIEB & MEYER CNC 0610510, Hardware Description

Page: 62 / 101

General Information Regarding the Wiring
:
62 Hardware Description CNC 0610510/12
The following correction factors are provided for deviating ambient temperatures:
Cross-sections of round conductors
The standard values of the cross-section of round copper conductors as well as the
approximate ratio of metric ISO and AWG/MCM values are shown in the following
table.
Standardized cross-sections of round conductors
Ambient temperature T [°C] Correction factor
30 1,15
35 1,08
40 1,00
45 0,91
50 0,82
55 0,71
60 0,58
Annotation: The line corresponds to a value when the connection possibilities
are taken into account.
AWG/MCM
ISO cross-section
mm²
Value Equivalent cross-section in
mm²
0,2 24 0,205
- 22 0,324
0,5 20 0,519
0,75 18 0,82
1,0 - -
1,5 16 1,3
2,5 14 2,1
4,0 12 3,3
6,0 10 5,3
10 8 8,4
16 6 13,3
25 4 21,2
35 2 33,6
50 0 53,5
70 00 67,4
95 000 85,0
- 0000 107,2
120 250 MCM 127
150 300 MCM 152
185 350 MCM 177
240 500 MCM 253
300 600 MCM 304