PVC Current Ratings (Aluminium)

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Current ratings are based on values given in IEC 60364-5-52 (2009), with a reference conductor temperature of 70oC, ambient temperature of 30oC and soil temperature of 20oC.

Two Loaded Conductors

Size ([math]mm^{2}[/math]) Current Rating for 2 x PVC Insulated Aluminium Conductors
Reference Installation Method
A1 A2 B1 B2 C D1 D2 E F
2.5 15 14.5 18.5 17.5 21 22 23
4 20 19.5 25 24 28 29 31
6 26 25 32 30 36 36 39
10 36 33 44 41 49 47 54
16 48 44 60 54 66 61 63 73
25 63 58 79 71 83 77 82 89 98
35 77 71 97 86 103 93 98 111 122
50 93 86 118 104 125 109 117 135 149
70 118 108 150 131 160 135 145 173 192
95 142 130 181 157 195 159 173 210 235
120 164 150 210 181 226 180 200 244 273
150 189 172 234 201 261 204 224 282 316
185 215 195 266 230 298 228 255 322 363
240 252 229 312 269 352 262 298 380 430
300 289 263 358 308 406 296 336 439 497
400 600
500 694
630 808

Three Loaded Conductors

Size ([math]mm^{2}[/math]) Current Rating for 3 x PVC Insulated Aluminium Conductors
Reference Installation Method
A1 A2 B1 B2 C D1 D2 E F G
Trefoil Laid Flat Horizontal Vertical
2.5 14 13.5 16.5 15.5 18.5 18.5 - 19.5
4 18.5 17.5 22 21 25 24 - 26
6 24 23 28 27 32 30 - 33
10 32 31 39 36 44 39 - 46
16 43 41 53 48 59 50 53 61
25 57 53 70 62 73 64 69 78 84 87 112 99
35 70 65 86 77 90 77 83 96 105 109 139 124
50 84 78 104 92 110 91 99 117 128 133 169 152
70 107 98 133 116 140 112 122 150 166 173 217 196
95 129 118 161 139 170 132 148 183 203 212 265 241
120 149 135 186 160 197 150 169 212 237 247 308 282
150 170 155 204 176 227 169 189 245 274 287 356 327
185 194 176 230 199 259 190 214 280 315 330 407 376
240 227 207 269 232 305 218 250 330 375 392 482 447
300 261 237 306 265 351 247 282 381 434 455 557 519
400 526 552 671 629
500 610 640 775 730
630 711 746 900 852

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