O.H. BARE HARD DRAWN STRANDED COPPER CONDUCTOR
Uses: Over head transmission lines of electrical distribution long distance
Conductor: Hard drawn finely stranded copper conductor
Specification: IEC 228 class 2
For cross- section 50 mm2 may be class 1
For cross- section 25, 35 mm2 may be class 3
Cross Sectional Area |
Conductor |
Weight approx. |
Breaking Stress |
Breaking Load |
D.C. Resistance at 20°C |
Nominal |
Actual |
No. of wires in conductor |
Nominal diameter of wire |
Diameter of conductor approx. |
Strand |
Conductor |
|
mm2 |
mm2 |
|
mm |
mm |
Kg/Km |
Kg/ mm2 |
Kg |
Kg |
Ohm / Km |
10 |
10.02 |
7 |
1.35 |
4.05 |
90 |
40.93 |
58.57 |
410 |
1.83 |
16 |
15.89 |
7 |
1.7 |
5.1 |
143 |
40.9 |
92.84 |
650 |
1.15 |
25 |
25.18 |
7 |
2.14 |
6.42 |
226 |
40.82 |
146.8 |
1027 |
0.727 |
25 * |
25.213 |
19 |
1.3 |
6.5 |
228 |
40.92 |
54.3 |
1032 |
0.727 |
35 |
33.573 |
19 |
1.5 |
7.5 |
303.8 |
40.91 |
72.29 |
1386 |
0.524 |
35 * |
34.92 |
7 |
2.52 |
7.56 |
314 |
40.8 |
203.5 |
1424 |
0.524 |
50 * |
49.48 |
7 |
3 |
9 |
445 |
40.75 |
288 |
2020 |
0.387 |
50 |
48.36 |
19 |
1.8 |
9 |
437 |
40.85 |
103.9 |
1980 |
0.387 |
70 |
68.34 |
19 |
2.14 |
10.7 |
618 |
40.82 |
146.8 |
2789 |
0.268 |
Tolerance in strand diameter:
| Less than 2.5 mm |
± 0.025 mm |
| Equal and more than 2.5 mm |
± 1% wire diameter |
|
