Current-carrying capacities in amperes for methods of installation in Table B.52.1 (60364-5-52 – IEC:2009)

Table B.52.2 – Current-carrying capacities in amperes for methods of installation in Table B.52.1 – PVC insulation/two loaded conductors, copper or aluminium – Conductor temperature: 70 °C, ambient temperature: 30 °C in air, 20 °C in ground.

Size

(mm2)

Installation metdods of Table B.52.1
A1 A2 B1 B2 C D1 D2

Table B.52.2 - a1

Table B.52.2 - a2 Table B.52.2 - b1 Table B.52.2 - b2 Table B.52.2 - c Table B.52.2 - d1 Table B.52.2 - d2
1 2 3 4 5 6 7 8
Copper
1.5 14.5 14 17.5 16.5 19.5 22 22
2.5 19.5 18.5 24 23 27 29 28
4 26 25 32 30 36 37 38
6 34 32 41 38 46 46 48
10 46 43 57 52 63 60 64
16 61 57 76 69 85 78 83
25 80 75 101 90 112 99 110
35 99 92 125 111 138 119 132
50 119 110 151 133 168 140 156
70 151 139 192 168 213 173 192
95 182 167 232 201 258 204 230
120 210 192 269 232 299 231 261
150 240 219 300 258 344 261 293
185 273 248 341 294 392 292 331
240 321 291 400 344 461 336 382
300 367 334 458 394 530 379 427
Aluminium
2.5 15 14.5 18.5 17.5 21 22  
4 20 19.5 25 24 28 29  
6 26 25 32 30 36 36  
10 36 33 44 41 49 47  
16 48 44 60 54 66 61 63
25 63 58 79 71 83 77 82
35 77 71 97 86 103 93 98
50 93 86 118 104 125 109 117
70 118 108 150 131 160 135 145
95 142 130 181 157 195 159 173
120 164 150 210 181 226 180 200
150 189 172 234 201 261 204 224
185 215 195 266 230 298 228 255
240 252 229 312 269 352 262 298
300 289 263 358 308 406 296 336
NOTE    In columns 3, 5, 6, 7 and 8, circular conductors are assumed for sizes up to and including 16 mm2. Values for larger sizes relate to shaped conductors and may safely be applied to circular conductors.

Table B.52.3 – Current-carrying capacities in amperes for methods of installation in Table B.52.1 – XLPE or EPR insulation, two loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground.

Size

(mm2)

Installation metdods of Table B.52.1
A1 A2 B1 B2 C D1 D2

Table B.52.2 - a1

Table B.52.2 - a2 Table B.52.2 - b1 Table B.52.2 - b2 Table B.52.2 - c Table B.52.2 - d1 Table B.52.2 - d2
1 2 3 4 5 6 7 8
Copper              
1.5 19 18.5 23 22 24 25 27
2.5 26 25 31 30 33 33 35
4 35 33 42 40 45 43 46
6 45 42 54 51 58 53 58
10 61 57 75 69 80 71 77
16 81 76 100 91 107 91 100
25 106 99 133 119 138 116 129
35 131 121 164 146 171 139 155
50 158 145 198 175 209 164 183
70 200 183 253 221 269 203 225
95 241 220 306 265 328 239 270
120 278 253 354 305 382 271 306
150 318 290 393 334 441 306 343
185 362 329 449 384 506 343 387
240 424 386 528 459 599 395 448
300 486 442 603 532 693 446 502
Aluminium              
2.5 20 19.5 25 23 26 26  
4 27 26 33 31 35 33  
6 35 33 43 40 45 42  
.10 48 45 59 54 62 55  
16 64 60 79 72 84 71 76
25 84 78 105 94 101 90 98
35 103 96 130 115 126 108 117
50 125 115 157 138 154 128 139
70 158 145 200 175 198 158 170
95 191 175 242 210 241 186 204
120 220 201 281 242 280 211 233
150 253 230 307 261 324 238 261
185 288 262 351 300 371 267 296
240 338 307 412 358 439 307 343
300 387 352 471 415 508 346 386
NOTE    In columns 3, 5, 6, 7 and 8, circular conductors are assumed for sizes up to and including 16 mm2. Values for larger sizes relate to shaped conductors and may safely be applied to circular conductors.

Table B.52.4 – Current-carrying capacities in amperes for methods of installation in Table B.52.1 – PVC insulation, three loaded conductors/copper or aluminium – Conductor temperature: 70 °C, ambient temperature: 30 °C in air, 20 °C in ground.

Size

(mm2)

Installation metdods of Table B.52.1
A1 A2 B1 B2 C D1 D2

a1

a2 b1 b2 c d1 d2
1 2 3 4 5 6 7 8
Copper
1.5 13.5 13 15.5 15 17.5 18 19
2.5 18 17.5 21 20 24 24 24
4 24 23 28 27 32 30 33
6 31 29 36 34 41 38 41
10 42 39 50 46 57 50 54
16 56 52 68 62 76 64 70
25 73 68 89 80 96 82 92
35 89 83 110 99 119 98 110
50 108 99 134 118 144 116 130
70 136 125 171 149 184 143 162
95 164 150 207 179 223 169 193
120 188 172 239 206 259 192 220
150 216 196 262 225 299 217 246
185 245 223 296 255 341 243 278
240 286 261 346 297 403 280 320
300 328 298 394 339 464 316 359
Aluminium
2.5 14 13.5 16.5 15.5 18.5 18.5  
4 18.5 17.5 22 21 25 24  
6 24 23 28 27 32 30  
10 32 31 39 36 44 39  
16 43 41 53 48 59 50 53
25 57 53 70 62 73 64 69
35 70 65 86 77 90 77 83
50 84 78 104 92 110 91 99
70 107 98 133 116 140 112 122
95 129 118 161 139 170 132 148
120 149 135 186 160 197 150 169
150 170 155 204 176 227 169 189
185 194 176 230 199 259 190 214
240 227 207 269 232 305 218 250
300 261 237 306 265 351 247 282
NOTE    In columns 3, 5, 6, 7 and 8, circular conductors are assumed for sizes up to and including 16 mm2. Values for larger sizes relate to shaped conductors and may safely be applied to circular conductors.

Table B.52.5 – Current-carrying capacities in amperes for methods of installation in Table B.52.1 – XLPE or EPR insulation, three loaded conductors/copper or aluminium – Conductor temperature: 90 °C, ambient temperature: 30 °C in air, 20 °C in ground.

Size

(mm2)

Installation metdods of Table B.52.1
A1 A2 B1 B2 C D1 D2

a1

a2 b1 b2 c d1 d2
1 2 3 4 5 6 7 8
Copper
1.5 17 16.5 20 19.5 22 21 23
2.5 23 22 28 26 30 28 30
4 31 30 37 35 40 36 39
6 40 38 48 44 52 44 49
10 54 51 66 60 71 58 65
16 73 68 88 80 96 75 84
25 95 89 117 105 119 96 107
35 117 109 144 128 147 115 129
50 141 130 175 154 179 135 153
70 179 164 222 194 229 167 188
95 216 197 269 233 278 197 226
120 249 227 312 268 322 223 257
150 285 259 342 300 371 251 287
185 324 295 384 340 424 281 324
240 380 346 450 398 500 324 375
300 435 396 514 455 576 365 419
Aluminium              
2.5 19 18 22 21 24 22  
4 25 24 29 28 32 28  
6 32 31 38 35 41 35  
10 44 41 52 48 57 46  
16 58 55 71 64 76 59 64
25 76 71 93 84 90 75 82
35 94 87 116 103 112 90 98
50 113 104 140 124 136 106 117
70 142 131 179 156 174 130 144
95 171 157 217 188 211 154 172
120 197 180 251 216 245 174 197
150 226 206 267 240 283 197 220
185 256 233 300 272 323 220 250
240 300 273 351 318 382 253 290
300 344 313 402 364 440 286 326
NOTE    In columns 3, 5, 6, 7 and 8, circular conductors are assumed for sizes up to and including 16 mm2. Values for larger sizes relate to shaped conductors and may safely be applied to circular conductors.