TABLE - 43
CURRENT RATINGS & VOLTAGE DROP OF THE CABLES - 600/1000 V 3 and 4 Core, Copper, XLPE insulated Armoured/Unarmoured Cables.
Approx Voltage Drop (3 Phase System)
Area
In Air
In Ground
In Duct
Unarmoured Armoured
Armoured
Armoured
Trefoil
mm²
A
A
A
A
V/A/km
1.5
19
20
28
22
26.73
2.5
27
27
36
29
16.37
4
34
37
47
39
10.19
6
44
46
59
48
6.81
10
58
64
79
65
4.04
16
83
83
102
83
2.55
25
105
109
131
107
1.61
35
129
134
157
128
1.17
50
157
163
187
152
0.866
70
200
205
229
187
0.608
95
246
253
274
226
0.447
120
288
293
312
258
0.363
150
330
335
349
291
0.305
185
381
386
394
329
0.256
240
454
456
455
380
0.212
300
524
519
509
427
0.187
400
608
597
574
490
0.167
Operating Conditions Ambient air temp.
50 °C 35 °C
Ground temp. Depth of Laying
0.50 m
Thermal resistivity of Soil
1.2 K.m/W
36 MKK XXS002-02/01-12-2014
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