3.5 Core Copper PVC Unarmoured Power Cables

Type
No. of cores & cross sectional area
Min no.
of
Wires
Thickness
of PVC
Insulation
(Nom.)
Min.
Thickness
of PVC
inner Sheath
Min.
Thickness
of PVC Outer
Sheath
Overall
Diameter
(Approx.)

Approx.
Net Wt.
of Cable

Max. D.C.
Resistance
at 20
Max. A.C.
Resistance
at 70
Approx.
Reactance
at 50 Hz
Approx.
Capacitance

Current Ratings
Direct in
Ground


In Duct



In Air
(sq. mm)
  
(mm)
(mm)
(mm)
(kg/km)
ohms/km
ohms/km
ohms/km
mFd/km
Amps
Amps
Amps
YY
3.5C x 25/16
6/6
1.2/1.0
0.30
2.00
22.70
1255
0.73
0.87
0.097
0.86
99
81
90
YY
3.5C x 35/16
6/6
1.2/1.0
0.30
2.00
24.00
1561
0.524
0.627
0.097
0.98
120
99
110
YY
3.5C x 50/25
6/6
1.4/1.2
0.30
2.00
27.00
2071
0.387
0.463
0.094
1.02
145
125
135
YY
3.5C x 70/35
12/6
1.4/1.2
0.30
2.20
31.00
2845
0.268
0.321
0.090
1.18
175
150
165
YY
3.5C x 95/50
15/6
1.6/1.4
0.40
2.20
35.00
3804
0.193
0.231
0.090
1.20
210
175
200
YY
3.5C x 120/70
18/12
1.6/1.4
0.40
2.20
40.00
4788
0.153
0.184
0.087
1.31
240
195
230
YY
3.5C x 150/70
18/12
1.8/1.4
0.40
2.40
42.30
5673
0.124
0.149
0.087
1.31
270
225
265
YY
3.5C x 185/95
30/15
2.0/1.6
0.50
2.60
46.80
7080
0.099
0.120
0.087
1.31
300
255
305
YY
3.5C x 240/120
34/18
2.2/1.6
0.50
2.80
54.50
9194
0.075
0.0912
0.087
1.34
345
295
355
YY
3.5C x 300/150
34/18
2.4/1.8
0.60
3.00
59.00
11400
0.060
0.0739
0.086
1.41
385
335
400
YY
3.5C x 400/185
53/30
2.6/2.0
0.70
3.40
67.00
14395
0.0470
0.0592
0.086
1.45
425
360
455

PVC Aluminium Armoured Core  1  2  3  3.5  4   PVC Aluminium Unarmoured Core  1  2  3  3.5  4  
PVC Copper Armoured Core  1  2  3  3.5  4  PVC Copper Unarmoured Core  1  2  3  3.5  4  
XLPE

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