BS 6622 Single Core Unarmoured (Copper Wire Screen) 15KV XLPE Stranded Copper Conductors

Construction

cross-sectional area

mmsq

Minimum average thickness of insulation

mm

Nominal area of copper tape screen
mm sq

 

Nominal area of copper wire screen

mm sq

Nominal thickness of PVC oversheath

mm

Nominal overall diameter of cable

mm

50
4.5
19.4
16
1.7
26.3
70
4.5
21.2
16
1.8
28.1
95
4.5
22.9
16
1.9
30.1
120
4.5
24.4
16
1.9
31.8
150
4.5
25.7
16
2
33.1
185
4.5
27.5
16
2
35.1
240
4.5
29.7
25
2.1
37.3
300
4.5
32.0
25
2.2
39.8
400
4.5
34.7
35
2.3
42.7
500
4.5
37.6
35
2.4
45.9
630
4.5
41.0
35
2.5
49.5
800
Please refer to our technical department for further information
1000

Installation

cross-sectional area mmsq

Approximate cable weight

kg/m
Nominal drum length
m

Minimum bending radius

mm

Nominal internal diameter of ducts

mm

50
1.1
1000
500
100
70
1.4
1000
550
100
95
1.6
500
550
100
120
1.9
500
600
100
150
2.2
500
600
100
185
2.6
500
650
100
240
3.3
500
700
100
300
3.9
500
750
100
400
4.8
500
800
100
500
5.9
500
850
100
630
7.2
300
900
100
800
Please refer to our technical department for further information
1000

Electrical Performance

cross-sectional area mmsq
Maximum DC resistance of conductor at 20 ℃ uohms/m
Maximum AC resistance of conductor at 90 ℃ uohms/m
Reactance at 50Hz
uohms/m
Impedance at 50Hz uohms/m

Maximum Capacitace

PF/m

Maximum charging current at normal voltage and frequency

mA/m

50
387
494
135
511
204
0.56
70
268
343
127
365
232
0.63
95
193
248
120
275
258
0.7
120
153
196
116
228
281
0.77
150
124
159
112
194
301
0.82
185
99.1
128
109
167
329
0.9
240
75.4
98
105
143
363
0.99
300
60.1
80
101
128
398
1.09
400
47
64
97.9
116
439
1.2
500
36.6
57
95.1
107
483
1.32
630
28.3
42
91.9
101
534
1.46
800
Please refer to our technical department for further information
1000

Ratings

Cross-sectional area
mmsq
Current Ratings
Short circuit ratings
Laid direct in ground
Amps
Drawn into ducts
Amps
Laid in air
Amps
One second short circuit rating of conductor
KA
One second short circuit rating of copper per core
KA
50
220
225
250
6.8
2.6
70
270
270
310
9.8
2.6
95
320
320
375
13.3
2.6
120
360
360
430
17.2
2.6
150
410
400
490
21.2
2.6
185
460
440
560
26.6
2.6
240
530
505
660
34.9
4.3
300
600
560
760
43.8
4.3
400
680
610
880
57.3
5.8
500
750
680
1000
72.3
5.8
630
830
750
1140
91.2
5.8
800
Please refer to our technical department for further information
1000

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