Characteristics
Thermal Resistant Aluminum Alloy
Continuously allowable temperature up to 150°C
58% or 60% IACS conductivity
Standard
JEC 3406; IEC 62004; 1EC 61089
Feature & Benefit
For upgrading existing transmissions line:
1.Increase current carrying capacity, transmission power
2.No modification / reinforcement on existing tower
3.Short construction period with low cost
For new line:
1.Lower tower
2.Less tower
JEC 3406 Standard – TAL Conductors (60% IACS Conductivity)
Nominal cross-section area
|
Construction
|
Calculated cross-section area
|
Approx. Overall diameter
|
Approx. Overall weight
|
Maximum DC resistance at 20oC
|
Rated strength
|
mm2
|
No.xmm
|
mm2
|
mm
|
kg/km
|
Ω/km
|
kN
|
240
|
19 x 4.0
|
238.8
|
20.0
|
655
|
0.1220
|
34.2
|
400
|
37 x 3.7
|
397.8
|
25.9
|
1097
|
0.0737
|
58.0
|
510
|
37 x 4.2
|
512.5
|
29.4
|
1413
|
0.0571
|
73.3
|
660
|
61 x 3.7
|
655.8
|
33.3
|
1812
|
0.0448
|
95.6
|
850
|
61 x 4.2
|
844.9
|
37.8
|
2334
|
0.0342
|
120.9
|
980
|
91 x 3.7
|
978.3
|
40.7
|
2714
|
0.0302
|
142.7
|
1030
|
91 x 3.8
|
1032
|
41.8
|
2864
|
0.0286
|
150.5
|
1260
|
91 x 4.2
|
1260
|
46.2
|
3499
|
0.0234
|
180.3
|
1600
|
127 x 4.0
|
1596
|
52.0
|
4440
|
0.0186
|
228.5
|
2020
|
127 x 4.5
|
2019
|
58.5
|
5616
|
0.0147
|
289.0
|
2500
|
127 x 5.0
|
2494
|
65.0
|
6937
|
0.0118
|
357.0
|
JEC 3406 Standard – TAL Conductors (58% IACS Conductivity)
Nominal cross-section area
|
Construction
|
Calculated cross-section area
|
Approx. Overall diameter
|
Approx. Overall weight
|
Maximum DC resistance at 20oC
|
Rated strength
|
mm2
|
No.xmm
|
mm2
|
mm
|
kg/km
|
Ω/km
|
kN
|
240
|
19 x 4.0
|
238.8
|
20.0
|
655
|
0.1260
|
34.2
|
400
|
37 x 3.7
|
397.8
|
25.9
|
1097
|
0.0764
|
58.0
|
510
|
37 x 4.2
|
512.5
|
29.4
|
1413
|
0.0593
|
73.3
|
660
|
61 x 3.7
|
655.8
|
33.3
|
1812
|
0.0465
|
95.6
|
850
|
61 x 4.2
|
844.9
|
37.8
|
2334
|
0.0361
|
120.9
|
980
|
91 x 3.7
|
978.3
|
40.7
|
2714
|
0.0313
|
142.7
|
1030
|
91 x 3.8
|
1032
|
41.8
|
2864
|
0.0296
|
150.5
|
1260
|
91 x 4.2
|
1260
|
46.2
|
3499
|
0.0243
|
180.3
|
1600
|
127 x 4.0
|
1596
|
52.0
|
4440
|
0.0191
|
228.5
|
2020
|
127 x 4.5
|
2019
|
58.5
|
5616
|
0.0152
|
289.0
|
2500
|
127 x 5.0
|
2494
|
65.0
|
6937
|
0.0122
|
357.0
|