Power Cables
PVC Insulated & Sheathed Unarmoured XLPE Insulated PVC/LSOH Sheathed LSOH Insulated Conduit Wires Fire Resistant Medium Voltage
Power Cables

BS 6622 Single Core Armoured 15KV XLPE Stranded Copper Conductors

Construction

cross-sectional area mm2 Minimum average thickness of insulation mm Nominal area of copper tape screen
mm2		 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 4.5 19.4 1.2 43/1.6 1.9 30.3
70 4.5 21.2 1.2 46/1.6 1.9 32.1
95 4.5 22.9 1.2 40/2.0 2.0 34.8
120 4.5 24.4 1.2 42/2.0 2.1 36.5
150 4.5 25.7 1.2 44/2.0 2.1 37.8
185 4.5 27.5 1.2 46/2.0 2.2 40.0
240 4.5 29.7 1.2 49/2.0 2.3 42.4
300 4.5 32.0 1.2 53/2.0 2.3 44.7
400 4.5 34.7 1.3 46/2.5 2.5 49.0
500 4.5 37.6 1.3 49/2.5 2.6 52.1
630 4.5 41.0 1.4 53/2.5 2.7 55.9
800 Please refer to our technical department for further information
1000

Installation

cross-sectional area mm2 Approximate cable weight kg/m Nominal drum length
m 		Minimum bending radius mm Nominal internal diameter of ducts mm
50 1.4 1000 550 100
70 1.7 1000 600 100
95 2.1 500 650 100
120 2.4 500 700 100
150 2.7 500 700 100
185 3.2 500 750 100
240 3.8 500 800 100
300 4.5 500 850 100
400 5.6 300 900 100
500 6.7 300 950 100
630 8.2 300 1050 100
800 Please refer to our technical department for further information
1000

Electrical Performance

cross-sectional area mm2 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
50 387 494 144 514 204 0.56
70 268 343 135 368 232 0.63
95 193 248 129 279 258 0.7
120 153 196 124 232 281 0.77
150 124 159 121 198 301 0.82
185 99.1 128 117 172 329 0.9
240 75.4 98 113 148 363 0.99
300 60.1 80 108 133 398 1.09
400 47 64 107 124 439 1.2
500 36.6 51 103 114 483 1.32
630 28.3 42 99.5 107 534 1.46
800 Please refer to our technical department for further information
1000

Ratings

Cross-sectional area
mm2		 Current Ratings Short circuit ratings
Laid direct in ground
Amps		 Drawn into ducts
Amps		 650Laid in air
Amps 		One second short circuit rating of conductor
KA 		One second short circuit rating of copper per core
KA
50 220 220 250 6.8 Typically less then 1kA
70 270 260 310 9.8
95 320 305 375 13.3
120 360 640 430 17.2
150 410 375 490 21.2
185 455 410 550 26.6
240 520 460 650 34.9
300 580 500 740 43.8
400 650 530 840 57.3
500 710 570 930 72.3
630 760 620 1040 91.2
800 Please refer to our technical department for further information
1000