BS 6622 Single Core Armoured 33KV 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
8
27.1
1.2
46/2.0
2.2
39.4
70
8
28.9
1.2
48/2.0
2.2
41.4
95
8
30.6
1.2

51/2.0
2.3
43.3
120
8
32.1
1.2
53/2.0
2.3
44.8
150
8
33.4
1.3
44/2.5
2.4
47.5
185
8
35.2
1.3
46/2.5
2.5
49.5
240
8
37.4
1.3
49/2.5
2.5
51.7
300
8
39.7
1.4
52/2.5
2.6
54.4
400
8
42.4
1.4
55/2.5
2.7
57.3
500
8
45.3
1.5
58/2.5
2.8
60.6
630
8
48.7
1.5
62/2.5
2.9
64.2
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
2.1
1000
850
100
70
2.4
500
900
100
95
2.7
500
950
100
120
3.1
500
950
100
150
3.6
500
1000
100
185
4.0
500
1050
100
240
4.7
500
1100
100
300
5.5
500
1150
100
400
6.4
250
1250
100
500
7.6
250
1300
125
630
9.1
250
1350
125
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
160
578
138
0.83
70
268
343
151
374
154
0.92
95
193
248
143
285
169
1.01
120
153
196
137
239
183
1.10
150
124
159
135
207
194
1.16
185
99.1
128
130
181
210
1.26
240
75.4
98
125
158
229
1.37
300
60.1
80
121
144
249
1.49
400
47.0
64
116
132
273
1.64
500
36.6
51
113
123
298
1.79
630
28.3
42
108
115
327
1.96
800
Please refer to our technical department for further information
1000

Ratings

Cross-sectional area
mmsq
Current Ratings
Short circuit ratings
Laid 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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