3 CORE – Copper PVC Armoured & Unarmoured Power Cables

No. of
cores &
cross
sectional area		 Min No. of Wires Thicknessof PVC insulation (Nom.) Min. Thickness of PVC inner sheath mm
ARMOURED
Nominal
Dimensions of Armour
Strip
mm		 Wire
mm
Min. Thickness of
PVC Outer Sheath
Strip
mm		 Wire
mm
Overall Diameter
(Approx.)
Strip
mm		 Wire
mm
Approx. Net Wt.
of Cable
Strip
(Kg/Km)		 Wire
(Kg/Km)
UNARMOURED
Nom. Thickness of Outer Sheath mm Overall Diameter (Approx) mm Net Wt. of Cable (Approx) Kg/Km
Max. D.C.
Resistance
at 20
Ohms/Km		 Max. A.C.
Resistance
at 70
Ohms/Km		 Approx.
Resistance
at 50 Hz
Ohms/Km		 Approx.
Capacitance
mFd/Km
CURRENT RATINGS
Direct in Ground Amps Amps Duct Amps In Air Amps
3C X 1.5 1 0.80 0.3 — 1.4 — 1.24 — 14.0 — 442 1.80 11.00 218 12.1 14.5 0.126 0.14 21 17 17
3C X 2.5 1 0.90 0.3 — 1.4 — 1.24 — 15.0 — 542 1.80 12.00 284 7.41 8.87 0.119 0.15 27 24 24
3C X 4 1 1.00 0.3 — 1.4 — 1.24 — 16.5 — 663 1.80 13.50 372 4.61 5.52 0.116 0.41 36 30 30
3C X 6 1 1.00 0.3 — 1.4 — 1.24 — 17.5 — 789 1.80 14.40 470 3.08 3.69 0.110 0.47 45 39 38
3C X 10 6 1.00 0.3 — 1.4 — 1.40 — 19.5 — 1017 1.80 15.60 629 1.83 2.19 0.100 0.56 60 57 50
3C X 16 6 1.00 0.3 4×0.8 1.6 1.40 1.40 18.6 20.2 859 1057 1.80 18.40 705 1.15 1.38 0.097 0.76 77 66 64
3C X 25 6 1.20 0.3 4×0.8 1.6 1.40 1.40 21.3 22.9 1210 1431 2.00 21.50 1046 1.727 0.87 0.097 0.86 99 90 81
3C X 35 6 1.20 0.3 4×0.8 1.6 1.40 1.40 23.1 24.7 1532 1773 2.00 23.30 1350 1.524 1.38 0.097 0.98 120 110 99
3C X 50 6 1.40 0.3 4×0.8 1.6 1.56 1.56 26.6 28.2 2016 2305 2.00 26.50 1783 0.387 1.463 0.094 1.02 145 135 125
3C X 70 12 1.40 0.4 4×0.8 2.0 1.56 1.56 29.6 32.0 2684 3173 2.20 29.90 2446 0.268 1.321 0.090 1.18 175 165 150
3C X 95 15 1.60 0.4 4×0.8 2.0 1.56 1.72 33.5 36.2 3564 4169 2.20 33.80 3286 0.193 0.231 0.090 1.20 210 200 175
3C X 120 18 1.60 0.4 4×0.8 2.0 1.72 1.72 37.0 39.4 4371 5001 2.20 37.00 4034 0.153 0.184 0.087 1.31 240 230 195
3C X 150 18 1.80 0.5 4×0.8 2.0 1.88 1.88 40.1 42.4 5309 5974 2.40 40.10 4954 0.124 0.149 0.087 1.31 270 265 225
3C X 185 30 2.00 0.50 4×0.8 2.5 1.88 2.04 44.2 47.9 6502 7648 2.60 44.60 6145 0.0991 0.12 0.087 1.31 300 305 255
3C X 240 34 2.2 0.6 4×0.8 2.5 2.20 2.20 51.3 53.7 8422 9648 2.80 50.70 8018 0.0754 0.0912 0.087 1.34 345 355 295
3C X 300 34 2.4 0.6 4×0.8 2.5 2.36 2.36 55.0 58.4 10356 11710 3.00 55.5 9920 0.0601 0.0739 0.086 1.41 385 400 335
3C X 400 53 2.6 0.7 4×0.8 3.2 2.52 2.68 62.6 67.6 13107 15315 3.40 3.80 12717 0.047 0.0592 0.086 1.45 425 455 360