BS 6622 Single Core Unarmoured (Copper Wire Screen) 22KV XLPE Stranded Copper Conductors

Construction

cross-sectional area mmsq
Minimum average thickness of insulation mm

Nominal diameter over insulation
mm

 
Nominal area of copper wire screen
mm
Nominal average thickness of PVC oversheath
mm
Nominal overall diameter of cable mm
50
5.5
21.6
16
1.8
28.8
70
5.5
23.4
16
1.9
30.6
95
5.5
25.1
16
1.9
32.5
120
5.5
26.6
16
2.0
34.0
150
5.5
27.9
16
2.0
35.5
185
5.5
29.7
16
2.1
37.3
240
5.5
31.9
25
2.2
39.7
300
5.5
34.2
25
2.2
42.2
400
5.5
36.9
35
2.3
45.2
500
5.5
39.8
35
2.4
48.3
630
5.5
43.2
35
2.5
51.9
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
1.2
1000
550
100
70
1.5
1000
600
100
95
1.8
1000
600
100
120
2
500
650
100
150
2.4
500
650
100
185
2.7
500
700
100
240
3.4
500
750
100
300
4.1
500
800
100
400
5
500
850
100
500
6.1
500
900
100
630
7.4
250
950
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
141
573
177
0.71
70
268
343
132
367
200
0.80
95
193
248
125
277
222
0.89
120
153
196
120
230
241
0.96
150
124
159
117
197
257
1.03
185
99.1
128
112
169
280
1.12
240
75.4
98
108
145
307
1.23
300
60.1
80
105
131
336
1.34
400
47
64
101
119
370
1.48
500
36.6
57
98.3
110
406
1.62
630
28.3
42
94.9
103
449
1.80
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
260
6.8
2.6
70
270
270
320
9.8
2.6
95
320
320
390
13.3
2.6
120
360
360
445
17.2
2.6
150
410
405
510
21.2
2.6
185
460
445
580
26.6
2.6
240
530
520
680
34.9
4.3
300
600
570
770
43.8
4.3
400
690
630
890
57.3
5.8
500
760
700
1020
72.3
5.8
630
850
780
1160
91.2
5.8
800
Please refer to our technical department for further information
1000

website: www.caledonian-cables.com

email: sales@caledonian-cables.com