These are selected each
particularly for the individual application.1074
The indicated values stated the following table are considered guiding values.
Group Multicore cables, exible cables laid open ventilated conduits.
Group Single core cables laid open air with spacing least equal cable diameter.
Heat-resistance ambient temperature toq&
Group Group Group 3
Nominal- current-carrying current-carrying current-carrying
cross- capacity capacity capacity
section A
0,25 2,8 5
0,5 10
0,75 15
1,0 19
1,5 24
2,5 32
4 42
6 54
10 73
16 98
25 108 129
35 105 135 158
50 140 168 198
70 175 207 245
95 210 250 292
120 250 292 344
150 335 391
185 382 448
240 453 528
300 523 608
Group One more single core cables laid duct.
Power ratings for
ambient temperature overq&
The following conversion factors are valid:
Temperature current-carrying
°C capacity values %
up 150 100
over 150 155 91
over 155 160 82
over 160 165 71
over 165 170 58
over 170 175 41
CURRENT RATINGS FOR SILICONE CABLES AND WIRES