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Continuous current-carrying capacity of copper conductors (DIN 43 671) Table 13-4 Copper conductors of rectangular cross-section in indoor installations. Ambient temperature 35 °C. Conductortemperature 65 °C. Conductor width vertical: clearance between conductors equal to conductor thickness; with alternating current, clearance between phases > 0.8 × phase centre-line distance.
Cross-Weight1) Material3) Continuous current in A section AC up to 60 Hz thickness painted no. of conductors 1 2 3 4 Width Continuous current in A DC and AC 16²⁄₃ Hz painted no. of conductors 1 2 3 4
×bare no. of conductors 1 2 3
4
bare no. of conductors 1 2 3
4
mm 12 × 15 12 × 10 20 × 15 20 × 10 30 × 15 30 × 10 40 × 15 40 × 10
1)
mm2
kg/m
Cu-ETP R 350 R 350 R 350 R 350 R 350R 350 R 350 R 350 203 326 319 497 345 605 411 879 177 285 274 427 379 573 2 580 482 715 312 553 500 825 672 1 060 836 1 290 398 811 690 1 180 896 1 480 1 090 1 770 2 280 203 326 320 499 448 683 576865 345 605 411 879 177 285 274 428 380 579 484 728 312 553 502 832 676 1 080 848 1 350 398 811 687 1 210 897 1 520 1 100 1 880
59.5 0.529 119.5 1.063 99.1 0.882 199 1.77 149 299 199 399 1.33 2.661.77 3 55
560 728 924 1 320
562 729 932 1 300 766 950 1 230 1 630 966 1 160 1 530 2 000
447 760 944 676 1 200 1 670 573 952 1 140 850 1 470 2 000
Calculated for a density of 8.9 kg/dm3.Minimum clearance given in mm. 3) Material: actual designation acc EN 13601.
2)
Continued on next page
Table 13-4 (continued) Copper conductors of rectangular cross-section in indoorinstallations. Ambient temperature 35 °C. Conductor temperature 65 °C. Conductor width vertical: clearance between conductors equal to conductor thickness; with alternating current, clearance between phases > 0.8× phase centre-line distance.
Width Cross- Weight1) Material3) Continuous current in A section AC up to 60 Hz painted bare no. of conductors no. of conductors 1 2 3 4 1 2 3 Continuous current in A...
Continuous current-carrying capacity of copper conductors (DIN 43 671) Table 13-4 Copper conductors of rectangular cross-section in indoor installations. Ambient temperature 35 °C. Conductortemperature 65 °C. Conductor width vertical: clearance between conductors equal to conductor thickness; with alternating current, clearance between phases > 0.8 × phase centre-line distance.
Cross-Weight1) Material3) Continuous current in A section AC up to 60 Hz thickness painted no. of conductors 1 2 3 4 Width Continuous current in A DC and AC 16²⁄₃ Hz painted no. of conductors 1 2 3 4
×bare no. of conductors 1 2 3
4
bare no. of conductors 1 2 3
4
mm 12 × 15 12 × 10 20 × 15 20 × 10 30 × 15 30 × 10 40 × 15 40 × 10
1)
mm2
kg/m
Cu-ETP R 350 R 350 R 350 R 350 R 350R 350 R 350 R 350 203 326 319 497 345 605 411 879 177 285 274 427 379 573 2 580 482 715 312 553 500 825 672 1 060 836 1 290 398 811 690 1 180 896 1 480 1 090 1 770 2 280 203 326 320 499 448 683 576865 345 605 411 879 177 285 274 428 380 579 484 728 312 553 502 832 676 1 080 848 1 350 398 811 687 1 210 897 1 520 1 100 1 880
59.5 0.529 119.5 1.063 99.1 0.882 199 1.77 149 299 199 399 1.33 2.661.77 3 55
560 728 924 1 320
562 729 932 1 300 766 950 1 230 1 630 966 1 160 1 530 2 000
447 760 944 676 1 200 1 670 573 952 1 140 850 1 470 2 000
Calculated for a density of 8.9 kg/dm3.Minimum clearance given in mm. 3) Material: actual designation acc EN 13601.
2)
Continued on next page
Table 13-4 (continued) Copper conductors of rectangular cross-section in indoorinstallations. Ambient temperature 35 °C. Conductor temperature 65 °C. Conductor width vertical: clearance between conductors equal to conductor thickness; with alternating current, clearance between phases > 0.8× phase centre-line distance.
Width Cross- Weight1) Material3) Continuous current in A section AC up to 60 Hz painted bare no. of conductors no. of conductors 1 2 3 4 1 2 3 Continuous current in A...
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