Nominal area of conductor |
Approx. Overall diameter |
Current rating |
Max. D.c. Resistance at 20°c |
Approx. Capacitance per phase |
Conductor short circuit rating for one second |
Standard packing length with +-5% tolerance |
Direct in ground |
In air |
Sq.mm. |
Mm. |
Amp |
Amp |
Ohm/km |
Mfd/km |
Ka |
Mtrs. |
25
35
50 |
46.0
48.0
51.0 |
100
119
140 |
117
135
168 |
1.20
0.868
0.641 |
0.20
0.22
0.24 |
2.35
3.29
4.70 |
500
500 |
70
95
120 |
55.0
59.0
62.5 |
172
205
233 |
200
243
279 |
0.443
0.320
0.253 |
0.27
0.30
0.34 |
6.58
8.93
11.28 |
500
500
500 |
150
185
240 |
65.5
70.0
75.5 |
261
294
341 |
320
363
429 |
0.206
0.164
0.125 |
0.37
0.40
0.46 |
14.10
17.39
22.56 |
500
500
250 |
300
400 |
81.0
87.5 |
384
439 |
494
577 |
0.100
0.0778 |
0.50
0.55 |
28.20
37.60 |
250
250 |
Nominal area of conductor |
Approx. Overall diameter |
Current rating |
Max. D.c. Resistance at 20°c |
Approx. Capacitance per phase |
Conductor short circuit rating for one second |
Standard packing length with +-5% tolerance |
Direct in ground |
In air |
Sq.mm. |
Mm. |
Amp |
Amp |
Ohm/km |
Mfd/km |
Ka |
Mtrs. |
25
35
50 |
55.5
58.0
61.0 |
101
120
141 |
121
146
174 |
1.20
0.868
0.641 |
0.15
0.16
0.17 |
2.35
3.29
4.70 |
500
500 |
70
95
120 |
65.0
69.0
72.5 |
172
205
233 |
216
260
282 |
0.443
0.320
0.253 |
0.20
0.23
0.24 |
6.58
8.93
11.28 |
500
500
500 |
150
185
240 |
75.5
79.5
85.0 |
261
294
340 |
321
364
429 |
0.206
0.164
0.125 |
0.26
0.28
0.32 |
14.10
17.39
22.56 |
500
500
250 |
300
400 |
90.0
96.5 |
384
439 |
492
575 |
0.100
0.0778 |
0.35
0.38 |
28.20
37.60 |
250
250 |
Nominal area of conductor |
Approx. Overall diameter |
Current rating |
Max. D.c. Resistance at 20°c |
Approx. Capacitance per phase |
Conductor short circuit rating for one second |
Standard packing length with +-5%tolerance |
Direct in ground |
In air |
Sq.mm. |
Mm. |
Amp |
Amp |
Ohm/km |
Mfd/km |
Ka |
Mtrs. |
35
50 |
60.5
63.5 |
118
139 |
145
172 |
0.868
0.641 |
0.15
0.16 |
3.29
4.70 |
500
500 |
70
95
120 |
68.0
71.5
74.5 |
170
202
229 |
213
246
282 |
0.443
0.320
0.253 |
0.18
0.21
0.23 |
6.58
8.93
11.28 |
500
500
500 |
150
185
240 |
78.0
82.0
87.5 |
257
289
335 |
321
365
429 |
0.206
0.164
0.125 |
0.24
0.27
0.29 |
14.10
17.39
22.56 |
500
500
250 |
300
400 |
92.5
99.0 |
378
432 |
492
575 |
0.100
0.0778 |
0.33
0.36 |
28.20
37.60 |
250
250 |
Nominal area of conductor |
Approx. Overall diameter |
Current rating |
Max. D.c. Resistance at 20°c |
Approx. Capacitance per phase |
Conductor short circuit rating for one second |
Standard packing length with +-5%tolerance |
Direct in ground |
In air |
Sq.mm. |
Mm. |
Amp |
Amp |
Ohm/km |
Mfd/km |
Ka |
Mtrs. |
50 |
77.0 |
140 |
174 |
0.641 |
0.13 |
4.70 |
500 |
70
95
120 |
81.0
85.5
88.5 |
170
202
230 |
218
259
297 |
0.443
0.320
0.253 |
0.14
0.16
0.17 |
6.58
8.93
11.28 |
500
500
500 |
150
185
240 |
92.0
95.5
100.5 |
257
290
335 |
332
382
448 |
0.206
0.164
0.125 |
0.18
0.21
0.22 |
14.10
17.39
22.56 |
500
500
250 |
300
400 |
105.5
112.0 |
378
432 |
493
574 |
0.100
0.0778 |
0.24
0.26 |
28.20
37.60 |
250
250 |