TABLE - 46
CURRENT RATINGS & VOLTAGE DROP OF THE CABLES - 600/1000 V 3 and 4 Core, Aluminium, XLPE insulated Armoured/Unarmoured Cables.
Approx Voltage Drop (3 Phase System)
Area
In Air
In Ground
I n Duct
Unarmoured Armoured
Armoured
Armoured
Trefoil
mm²
A
A
A
A
V/A/km
16
63
63
78
64
4.25
25
79
83
100
82
2.67
35
97
101
120
97
1.93
50
118
122
142
116
1.43
70
150
154
175
144
0.994
95
185
190
210
173
0.723
120
216
221
239
198
0.578
150
247
253
267
223
0.476
185
287
293
304
253
0.388
240
342
346
352
294
0.308
300
395
396
396
332
0.258
400
420
420
428
357
0.216
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
39 MKK XXS002-02/01-12-2014
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