TABLE - 42
CURRENT RATINGS & VOLTAGE DROP OF THE CABLES - 600/1000 V Two Core Copper, XLPE insulated Armoured/Unarmoured Cables.
In Air
In Ground
I n Duct
Approx Voltage Drop (1 Phase System)
Area
Two Core
Two Core
Two Core
Unarmoured Armoured
Armoured
Armoured
Trefoil
mm²
A
A
A
A
V/A/km
1.5
22
24
33
27
30.86
2.5
30
32
42
35
18.90
4
39
43
56
46
11.76
6
50
55
70
58
7.86
10
67
74
94
77
4.66
16
97
98
121
99
2.94
25
122
128
157
127
1.86
35
151
158
188
153
1.35
50
183
190
223
181
1.00
70
232
239
273
224
0.702
95
287
295
328
269
0.516
120
335
341
372
307
0.419
150
383
389
417
345
0.352
185
444
449
470
391
0.295
240
529
530
544
453
0.245
300
611
605
609
509
0.216
400
711
696
687
575
0.192
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
35 MKK XXS002-02/01-12-2014
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