BS 6622 Single Core Armoured 22KV XLPE Stranded Copper Conductors

Construction

cross-sectional area mmsq
Minimum average thickness of insulation mm

Nominal diameter over insulation
mm

 
Nominal thickness of PVC bedding
mm
Nominal number and diameter of armoured wires no./mm
Nominal thickness of PVC oversheath
mm
Nominal overall diameter of cable mm
50
5.5
21.6
1.2
47/1.6
2
32.7
70
5.5
23.4
1.2
40/2.0
2
35.3
95
5.5
25.1
1.2
43/2.0
2.1
37.2
120
5.5
26.6
1.2
45/2.0
2.1
38.7
150
5.5
27.9
1.2
47/2.0
2.2
40.4
185
5.5
29.7
1.2
49/2.0
2.2
42.2
240
5.5
31.9
1.2
52/2.0
2.3
44.6
300
5.5
34.2
1.3
45/2.5
2.4
48.3
400
5.5
36.9
1.3
48/2.5
2.5
51.2
500
5.5
39.8
1.4
52/2.5
2.6
54.5
630
5.5
43.2
1.4
55/2.5
2.8
58.3
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
1.6
1000
600
100
70
1.9
500
650
100
95
2.3
500
700
100
120
2.6
500
700
100
150
2.9
500
750
100
185
3.4
500
800
100
240
4.0
500
850
100
300
4.9
500
900
100
400
5.8
250
950
100
500
7.0
250
1000
100
630
8.4
250
1050
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
149
515
177
0.71
70
268
343
141
370
200
0.80
95
193
248
133
281
222
0.89
120
153
196
128
234
241
0.96
150
124
159
125
201
257
1.03
185
99.1
128
120
174
280
1.12
240
75.4
98
116
151
307
1.23
300
60.1
80
113
137
336
1.34
400
47
64
109
125
370
1.48
500
36.6
51
106
117
406
1.62
630
28.3
42
102
110
449
1.8
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
210
260
6.8
Typically
less
then
1kA
70
270
260
320
9.8
95
320
300
380
13.3
120
360
340
440
17.2
150
410
370
490
21.2
185
450
400
560
26.6
240
510
450
650
34.9
300
570
490
730
43.8
400
640
530
830
57.3
500
700
570
940
72.3
630
760
610
1050
91.2
800
Please refer to our technical department for further information
1000

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