Page 565 - Industrial Power Engineering and Applications Handbook

Table A16.4 Copper cables 650/1100 V
Conductor Mux. (1.c'. Approx. u,~ Current rating /Or uric-wrr" Short-circult
tro\\-\ec tlOJ7 resistance resistuiice (11 rtiting
at 20°C operciting for 1 scad
temp. (70°C) In (Ill
mm' Ukm Wkm A inp Amp Amp Any7 Amp Anrp kA(rm..s.)
~ ~~ ~~ ~ ~ ~ ~~ ~ ~~~~
15 12.1 14.5 22 21 20 23 20 20 21 17 17 0.173
25 7.4 I 8.87 30 29 27 32 27 27 27 24 24 0.288
4 4.61 5.52 39 38 35 41 35 35 36 30 30 0.460
6 3.08 3.69 49 48 44 50 44 45 45 38 19 0.690
10 1.83 2.19 65 64 60 70 58 60 60 50 52 1.15
16 1.15 1.38 85 83 82 90 7s 78 77 64 66 1.84
25 0.727 0.870 I10 1 10 I10 115 97 I05 99 81 90 2.88
15 0.524 0.627 I30 I25 I30 I40 I20 125 120 99 I 10 4.03
50 0.387 0.463 155 I50 16-i I65 I45 I55 145 I25 135 5.75
70 0.268 0.32 1 190 175 2 05 175 150 165 8.05
95 0.193 0.23 I 220 200 245 210 I75 200 10.9
I20 0. I53 0.184 250 220 280 240 I95 230 13.8
1 50 0.124 0.149 280 245 320 270 225 265 17.3
I 85 0.099 1 0.120 305 260 370 300 255 305 21.3
240 0.0754 0.09 I2 345 285 425 345 295 355 27.6
7 00 0.060 I 0.0739 375 1 10 475 385 335 400 34.5
400 0.0470 0.0592 400 735 550 425 360 455 46.0
500 0.0366 0.0468 425 355 5 90 440 390 500 57.5
610 0.0283 0.0379 470 775 660 72.5
800 0.022 1 0.03 I4 510 405 125 92.0
I000 0.01 76 0.027 I 590 435 870 115.0
-~ ~~ ~ ~ ~
~
~
"Three single-core cables laid in trefoil formation
Cofir/eyy: CCI