OVER HEAD , BARE HARD DRAWN STRANDED ALUMINUM CONDUCTOR REINFORCED WITH STEEL CORE (ACSR)
A) Specification : IEC 209
Cross-section area |
Equivalent copper area |
Conductor |
Approx. Weight |
Nominal breaking load |
Max. D.C. resistance |
Max. load |
Al / Steel |
Total Actual |
Strands No. x strand diameter |
Total out dia. |
Al |
Steel |
Total |
Nominal |
Actual |
Al |
Steel |
mm2 |
mm2 |
mm2 |
mm2 |
No./mm |
No./ |
mm |
Kg |
Kg/km |
Kg/km |
kg |
W/km |
Amp |
mm |
/km |
16/2.5 |
15.27 |
17.815 |
9.6 |
6/1.8 |
1/1.8 |
5.4 |
42 |
20 |
62 |
573 |
1.91 |
85 |
2.545 |
025/4 |
23.856 |
27.832 |
17.5 |
6/2.25 |
1/ 2.25 |
6.8 |
65 |
32 |
97 |
856 |
1.2 |
114 |
3.976 |
35/6 |
34.356 |
40.082 |
21.6 |
6/2.7 |
1 / 2.7 |
8.1 |
94 |
46 |
140 |
1216 |
0.868 |
140 |
5.726 |
50/8 |
48.258 |
56.3 |
30.4 |
6/3.2 |
1/3.2 |
9.6 |
132 |
64 |
196 |
1705 |
0.641 |
172 |
8.043 |
70/12 |
69.9 |
81.3 |
44 |
26/1.85 |
7/1.44 |
11.7 |
193 |
91 |
284 |
2680 |
0.443 |
217 |
11.4 |
- For 26 strand Al. & 7 strand steel
Ratio of Al. wire diameter= 1.286 as IEC
St. wire diameter
| - Tolerance of Diameter |
|
Tol. |
= ± 0.025 mm |
| a) Al. wire |
Less than 2.5 mm |
Tol. |
= ± % wire diameter mm |
| |
Equal and more than 2.5 mm |
Tol. |
= ± 0.04 mm |
| |
|
|
|
| b) Steel wire |
Less than 2 mm |
Tol. |
= ± 2% wire diameter |
| |
Equal and more than 2 mm |
|
|
- Breaking load not less than 95% from nominal
|
