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Selection Chart - Cable

The document provides cable size recommendations for single-phase and three-phase motors based on their voltage, horsepower, and kilowatt ratings. It includes detailed tables for 230V single-phase and 380-415V three-phase motors, specifying the appropriate cable sizes in square millimeters for various power ratings. Additionally, it covers three-phase 6-wire motors with similar specifications.

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sathyanand tk
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54 views2 pages

Selection Chart - Cable

The document provides cable size recommendations for single-phase and three-phase motors based on their voltage, horsepower, and kilowatt ratings. It includes detailed tables for 230V single-phase and 380-415V three-phase motors, specifying the appropriate cable sizes in square millimeters for various power ratings. Additionally, it covers three-phase 6-wire motors with similar specifications.

Uploaded by

sathyanand tk
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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For Single Phase 3-Wire motor

Motor Rating Cable Size in Sq. mm.


Volts HP KW 1.5 2.5 4 6 10 16 25 35 50 70 95
0.50 0.37 120 200 320 480 810 1260 1900 2590 3580 4770 5920
0.75 0.55 80 1030 220 320 550 850 1290 1760 2430 3230 4000
230V 1.00 0.75 60 100 170 250 430 670 1010 1380 1910 2550 3460
50Hz 1.50 1.10 40 70 120 180 300 470 710 980 1360 1850 2320
2.00 1.50 30 60 90 130 230 360 550 760 1060 1440 1820
3.00 2.20 40 60 90 150 230 350 490 680 920 1160

For Three Phase 3-Wire motor


Motor Rating Cable Size in Sq. mm.
Volts HP KW 1.5 2.5 4 6 10 16 25 35 50 70
0.50 0.37 473 788 1260
0.75 0.55 398 660 1050
1.00 0.75 311 518 825
1.50 1.10 203 338 533 795
2.00 1.50 161 270 428 638
3.00 2.20 113 188 200 450 731
4.00 3.00 86 143 233 345 566 885
5.00 3.70 71 120 188 285 465 735
5.50 4.00 67 113 176 263 435 683 1043
6.00 4.50 64 105 169 255 420 653 998 1358
7.50 5.50 53 83 135 203 330 518 795 1088
10.00 7.50 38 60 98 150 233 375 563 773
380-415V 12.50 9.30 53 83 128 210 330 503 683 938
50Hz 15.00 11.00 45 75 105 173 278 413 563 795 1058
17.50 13.00 60 83 150 233 353 488 668 885
20.00 15.00 75 128 203 308 428 593 788
25.00 18.50 60 105 158 248 338 461 615
30.00 22.00 90 135 210 285 398 533
35.00 26.00 75 113 173 233 330 458
40.00 30.00 68 98 158 210 300 390
50.00 37.00 83 128 173 240 315
60.00 45.00 105 143 195 270
75.00 55.00 120 165 218
85.00 63.00 109 150 173
100.00 75.00 120 165
125.00 93.00 135
For Three Phase 6-Wire motor
Motor Rating Cable Size in Sq. mm.
Volts HP KW 1.5 2.5 4 6 10 16 25 35 50 70
7.50 5.50 91 143 234 351 572 896 1377 1884
10.00 7.50 65 104 169 260 403 650 974 1338
12.50 9.30 91 143 221 364 572 870 1182 1624
15.00 11.00 78 130 182 299 481 714 974 1377 1832
17.50 13.00 104 143 260 403 611 844 1156 1533
20.00 15.00 91 130 221 351 533 740 1026 1364
25.00 18.50 104 182 273 429 585 799 1065
380-415V 30.00 22.00 156 234 364 494 688 922
50Hz 35.00 26.00 130 195 299 403 572 792
40.00 30.00 117 169 273 364 520 675
50.00 37.00 143 221 299 416 546
60.00 45.00 182 247 338 468
75.00 55.00 208 286 377
85.00 63.00 188 260 299
100.00 75.00 208 286
125.00 93.00 234

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