Medium Voltage Cables
Medium Voltage Cables to BS 6622 Medium Voltage Cables to IEC 60502 Medium Voltage Cables to VDE 0276

Medium Voltage Cables to IEC 60502

Three Core Cables to IEC 60502

Three Core 21/35KV (Um=42KV) Dimensional Data

    Unarmoured Cables Steel Round-Wire Armoured Cables
Nom.
Cross-
Section
Area		 Nom.
Insulation
Thick
ness		 Copper
Tape
Thick
ness		 Copper
Wire
Screen
Area*		 Nom.
Sheath
Thickness		 Approx.
Overall
Diam
eter		 Approx.
Weight		 Nom.
Bedding
Thickness		 Armour
Wire
Size		 Nom.
Sheath
Thick
ness		 Approx.
Overall
Diameter		 Approx.
Weight
CU AL CU AL
mm2 mm mm mm2 mm mm kg/km mm mm mm mm kg/km
50 9.3 0.1 16 3.2 73.9 5320 4446 1.9 3.15 3.8 87.1 10970 10090
70 9.3 0.1 16 3.3 78.0 6166 4880 2.0 3.5 3.9 91.3 12220 10750
95 9.3 0.1 16 3.5 81.9 7144 5430 2.1 3.5 4.0 94.5 13560 11780
120 9.3 0.1 16 3.6 85.1 8232 6049 2.1 4.0 4.1 97.5 14880 13650
150 9.3 0.1 25 3.7 88.6 9273 6549 2.1 4.0 4.2 100.5 16150 14060
185 9.3 0.1 25 3.8 93.5 10845 7392 2.2 4.0 4.3 105.5 17840 14390
240 9.3 0.1 25 4.0 98.2 12675 8310 2.3 4.5 4.5 111.5 20410 15870
300 9.3 0.1 25 4.1 103.6 14960 9362 2.4 4.5 4.6 116.5 24100 18460
400 9.3 0.1 35 4.3 110.0 18055 10698 2.5 4.5 4.8 124.3 28680 20560

*Optional wire screen can be provided in combination of copper tapes. Nominal screen area, as stated in the table, can be supplied as standard.

  Steel Flat Wire Armoured Cables Double Steel Tape Armoured Cables
Nom.
Cross-
Section
Area		 Nom.
Bedding
Thick
ness		 Armour
Wire
Size		 Nom.
Sheath
Thick
ness		 Approx.
Oveall
Diameter		 Approx.
Weight		 Nom.
Bedding
Thick
ness		 No of Steel tapes x nom tape thickness Nom.Sheath
Thickness		 Approx.
Overall
Diameter		 Approx.
Weight
CU AL CU AL
mm2 mm mm mm mm kg/km mm mm mm mm kg/km
50 1.9 0.8 3.3 80.5 9825 8986 1.9 2x0.5 3.5 82.5 9625 8786
70 2.0 0.8 3.6 85.5 11015 9769 2.0 2x0.8 3.8 87.6 10825 9569
95 2.1 0.8 3.8 88.5 12360 10580 2.1 2x0.8 3.9 90.5 12116 10327
120 2.1 0.8 3.9 91.5 13900 11715 2.1 2x0.8 4.0 94.5 13306 11110
150 2.1 0.8 4.0 94.8 15160 12440 2.1 2x0.8 4.1 97.5 14550 11830
185 2.2 0.8 4.1 99.5 17500 13450 2.2 2x0.8 4.2 101.7 16810 12765
240 2.3 0.8 4.2 104.1 19390 14890 2.3 2x0.8 4.4 107.5 18650 14150
300 2.4 0.8 4.4 109.5 21970 16280 2.4 2x0.8 4.6 112.8 21200 15500
400 2.5 0.8 4.6 116.3 25600 18430 2.5 2x0.8 4.8 118.8 24780 17600

Electrical Data

Nom. Cross- Section Area D C Resistance CU / AL A C Resistance CU / AL Short Circuit Rating of Conductor CU / AL
1 sec		 Capacitance Charging
Current		 Short Circuit Rating of Copper Wire Screen Per Core 1 sec Short Circuit Rating of Copper Tape Screen Per Core 1 sec Reactance Inductance
mm² µΩ/m µΩ/m kA pF/m mA/m kA kA µΩ/m nH/m
50 387/641 494/822 6.8/4.4 135 0.91 2.6 1.1 140 450
70 268/443 343/568 9.8/6.3 151 1.01 2.6 1.1 134 415
95 193/320 248/410 13.3/8.5 166 1.11 2.6 1.2 126 405
120 153/253 196/325 17.2/11.0 179 1.21 2.6 1.2 123 385
150 124/206 159/265 21.2/13.5 189 1.29 4.3 1.3 118 375
185 99.1/164 128/211 26.6/17.0 202 1.38 4.3 1.3 114 365
240 75.4/125 98/161 34.9/22.3 221 1.49 4.3 1.4 109 345
300 60.1/100 80/130 43.8/28.0 240 1.65 4.3 1.5 105 335
400 47.0/77.8 64/102 57.3/36.6 267 1.75 5.8 1.6 101 305