60364-5-52 © IEC:2009 – 51 –
Table B.52.12 – Current-carrying capacities in amperes
for installation methods E, F and G of Table B.52.1 –
XLPE or EPR insulation, copper conductors –
Conductor temperature: 90 °C, reference ambient temperature: 30 °C
Installation methods of Table B.52.1
Multi-core cables Single-core cables
Two loaded Three Three loaded conductors, flat
Two loaded Three loaded loaded
conductors Spaced
Nominal conductors conductors conductors Touching
cross- touching trefoil Horizontal Vertical
sectional
area of
conductor
mm 2 or
or or
or Dee
D
D
Dee
Method E Method E Method F Method F Method F Method G Method G
1 2 3 4 5 6 7 8
1,5 26 23 – – – – –
2,5 36 32 – – – – –
4 49 42 – – – – –
6 63 54 – – – – –
10 86 75 – – – – –
16 115 100 – – – – –
25 149 127 161 135 141 182 161
35 185 158 200 169 176 226 201
50 225 192 242 207 216 275 246
70 289 246 310 268 279 353 318
95 352 298 377 328 342 430 389
120 410 346 437 383 400 500 454
150 473 399 504 444 464 577 527
--`,,```,,,,````-`-`,,`,,`,`,,`---
185 542 456 575 510 533 661 605
240 641 538 679 607 634 781 719
300 741 621 783 703 736 902 833
400 – – 940 823 868 1085 1008
500 – – 1083 946 998 1253 1169
630 – – 1 254 1 088 1 151 1 454 1 362
NOTE 1 Circular conductors are assumed for sizes up to and including 16 mm 2 . Values for larger sizes relate to shaped
conductors and may safely be applied to circular conductors.
NOTE 2 D e is the external diameter of the cable.
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