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

Power Cables

BS6622 Single Core Armoured 11kV XLPE Stranded Copper Conductors

Construction

cross-sectional area mm2 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 3.4 17.0 1.2 39/1.6 1.8 27.7
70 3.4 18.8 1.2 42/1.6 1.9 29.7
95 3.4 20.5 1.2 45/1.6 1.9 31.4
120 3.4 22.0 1.2 47/1.6 2.0 33.1
150 3.4 23.3 1.2 40/2.0 2.1 35.4
185 3.4 25.1 1.2 43/2.0 2.1 37.2
240 3.4 27.3 1.2 46/2.0 2.2 39.8
300 3.4 29.6 1.2 49/2.0 2.3 42.3
400 3.4 32.3 1.2 53/2.0 2.4 45.2
500 3.4 35.2 1.3 46/2.5 2.5 19.5
630 3.4 38.6 1.4 50/2.5 2.6 53.3
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 1.3 1000 450 100
70 1.6 1000 450 100
95 1.9 1000 500 100
120 2.2 500 500 100
150 2.6 500 550 100
185 3.0 500 600 100
240 3.6 500 600 100
300 4.3 500 650 100
400 5.2 300 700 100
500 6.5 300 750 100
630 7.9 300 800 100
800 Please refer to our technical departmen 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
50 387 494 138 512 252 0.50
70 268 343 130 366 288 0.58
95 193 248 123 276 323 0.65
120 153 196 118 229 353 0.71
150 124 159 117 197 380 0.76
185 99.1 128 112 169 416 0.83
240 75.4 98 109 146 460 0.92
300 60.1 80 105 131 506 1.01
400 47.0 64 101 119 561 1.12
500 36.6 51 99.8 112 619 1.24
630 28.3 42 96.5 105 698 1.37
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		 Laid 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
120 360 340 430 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