Current carrying capacity (amperes) at 30C
Nominal cross sectional area mm 2 | Current rating Amps |
0.50 | 7 |
0.75 | 12 |
1.00 | 15 |
1.50 | 18 |
2.50 | 26 |
4.00 | 34 |
6.00 | 44 |
10.00 | 61 |
16.00 | 82 |
25.00 | 108 |
35.00 | 135 |
50.00 | 168 |
70.00 | 207 |
95.00 | 250 |
120.0 | 292 |
Correction factors
Multi-conductor cables with cross sectional area up to 10.00mm
Number of cores | Conversion factor |
5 | 0.75 |
7 | 0.65 |
10 | 0.55 |
14 | 0.50 |
19 | 0.45 |
24 | 0.40 |
40 | 0.35 |
61 | 0.30 |
CONTROL CABLE: Conversion factors for deviating ambient temperature
Permissible operating temperature | 40 deg C | 60 deg C | 70 deg C | 80 deg C | 85 deg C | 90 deg C |
Ambient temperature | ||||||
10deg C | 1.73 | 1.29 | 1.22 | 1.18 | 1.17 | 1.15 |
15 deg C | 1.58 | 1.22 | 1.17 | 1.14 | 1.13 | 1.12 |
20deg C | 1.41 | 1.15 | 1.12 | 1.10 | 1.09 | 1.08 |
25deg C | 1.22 | 1.08 | 1.06 | 1.05 | 1.04 | 1.04 |
30deg C | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 |
35deg C | 0.71 | 0.91 | 0.94 | 0.95 | 0.95 | 0.96 |
40deg C | - | 0.82 | 0.87 | 0.89 | 0.90 | 0.91 |
45deg C | - | 0.71 | 0.79 | 0.84 | 0.85 | 0.87 |
50deg C | - | 0.58 | 0.71 | 0.77 | - | 0.82 |
55deg C | - | 0.41 | 0.61 | 0.71 | - | 0.76 |
60deg C | - | - | 0.50 | 0.63 | - | 0.71 |
65deg C | - | - | 0.35 | 0.55 | - | 0.65 |
70deg C | - | - | - | 0.45 | - | 0.58 |
75deg C | - | - | - | 0.32 | - | 0.50 |
80deg C | - | - | - | - | - | 0.41 |
85deg C | - | - | - | - | - | 0.29 |