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Participate in multiple overseas projects

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Extensive experience in overseas project submission

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Special cable customization service
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BS 6622 Three Core Armoured 15KV 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 4.5 19.4 1.5 56/2.5 2.8 58.8
70 4.5 21.2 1.5 60/2.5 2.9 62.9
95 4.5 22.9 1.6 65/2.5 3.0 67.0
120 4.5 24.4 1.7 68/2.5 3.1 70.6
150 4.5 25.7 1.7 71/2.5 3.2 73.6
185 4.5 27.5 1.8 61/3.15 3.4 79.4
240 4.5 29.7 1.9 65/3.15 3.6 84.7
300 4.5 32.0 2.0 70/3.15 3.7 90.1
400 4.5 34.7 2.1 75/3.15 4.0 96.7

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 6.1 500 900 100
70 7.1 500 950 100
95 8.3 500 1050 125
120 9.4 500 1100 125
150 10.5 450 1150 125
185 12.9 400 1200 125
240 15.2 350 1300 125
300 17.6 300 1400 125
400 20.8 250 1500 125

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
50 387 494 123 508 211 0.58
70 268 343 115 361 240 0.65
95 193 248 109 270 267 0.73
120 153 196 105 223 291 0.79
150 124 159 102 189 312 0.85
185 99.1 128 98.6 162 340 0.93
240 75.4 98 95.2 137 375 1.02
300 60.1 80 92.2 123 411 1.12
400 47 64 89.3 110 454 1.24

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
50 210 180 220 6.8 Typically less then 1kA
70 255 215 270 9.8
95 300 255 330 13.3
120 340 290 375 17.2
150 380 330 430 21.2
185 430 370 490 26.6
240 490 425 570 34.9
300 540 470 650 43.8
400 590 520 700 57.3