LT Power Cables

AYY / YY-3.5 CORE

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Cable Construction

1.1 kV (A.C) & 1.5 kV (D.C ) to Earth

3.5 cores AL / CU conductor, PVC insulated, unarmoured cables as per IS 1554 Part-1. Conductor : AL / CU stranded compact shaped conductor as per Cl. 2, IS 8130 Insulation : PVC Type - A as per IS 5831. (Option : HR PVC Type - C, as per IS 5831)

Phase Core Color : Red, yellow, blue

Neutral Core Color : Black

Inner Sheath : PVC / PVC tape as per IS 1554 (P - 1)

Outer Sheath : PVC Type ST - 1 as per IS 5831 (Option : PVC Type ST - 2 as per IS 5831 / FR Type / FRLS Type)

Cable Color : Black (Options : Any other color as per requirement)

Cable Design Parameters

While ordering, in addition to the part number the following details shall also be advised:

Conductor Type (Aluminium or Copper) and class of conductor (Cl. 1 or 2).

Insulation Type – PVC Type A / C.

Sheath Type – PVC Type ST-1 / FR / FRLS; PVC Type ST-2 / FR / FRLS.

PartNumber Nominal Cross Sectional Area (Sq. mm) Minimum No. of Strands in Conductor Nominal Thickness of Insulation (mm) Minimum Thickness of Inner Sheath(mm) Nominal Thickness of Outer Sheath(mm) Approx. Overall Diameter(mm) Approx. Net Wt.of Cable (kg/km)
AL CU AL CableAYY CU CableYY
110401010211 3×25+16 6/6 6/6 1.2/1.0 0.3 2.0 24 680 1250
110401020211 3×35+16 6/6 6/6 1.2/1.0 0.3 2.0 26 830 1585
110401030211 3×50+25 6/6 6/6 1.4/1.2 0.3 2.0 29 1030 2080
110401040211 3×70+35 12/6 12/6 1.4/1.2 0.4 2.2 32 1380 2880
110401050211 3×95+50 15/6 15/6 1.6/1.4 0.4 2.2 36 1785 3885
110401060211 3×120+70 15/12 18/12 1.6/1.4 0.5 2.4 40 2190 4830
110401070211 3×150+70 15/12 18/12 1.8/1.4 0.5 2.4 44 2580 5780
110401080211 3×185+95 30/15 30/15 2.0/1.6 0.5 2.6 48 3185 7180
110401090211 3×240+120 30/15 34/18 2.2/1.6 0.6 3.0 54 4085 9280
110401100211 3×300+150 30/15 34/18 2.4/1.8 0.6 3.2 62 4980 11480
110401110211 3×400+185 53/30 53/30 2.6/2.0 0.7 3.4 68 6280 14985
110401120211 3×500+240 53/30 53/34 3.0/2.2 0.7 3.8 77 7985 18480
110401130211 3×630+300 53/30 53/34 3.4/2.4 0.7 4.0 87 9980 23485

Electrical Parameters

Part Number Nominal Cross Sectional Area(Sq. mm) Max. DC Conductor Resistance at20°C (Ω/km) Max. AC Conductor Resistance at70°C (Ω/km) Approx.Capacitance of Cable (microF/KM) Normal Current Rating (Amps) Short CircuitCurrent Ratingfor 1sec. Duration(K.Amps)
Ground With CU Cond.
AL CU AL CU Ground Duct Air Ground Duct Air AL CU
110401010211 3×25+16 1.2 0.727 1.44 0.87 0.083 76 63 70 99 81 90 1.9 2.88
110401020211 3×35+16 0.868 0.524 1.04 0.63 0.082 92 77 86 120 99 110 2.66 4.03
110401030211 3×50+25 0.641 0.387 0.769 0.464 0.082 110 95 105 145 125 135 3.8 5.75
110401040211 3×70+35 0.443 0.268 0.532 0.322 0.076 135 115 130 175 150 165 5.32 8.05
110401050211 3×95+50 0.32 0.193 0.384 0.232 0.076 165 140 155 210 175 200 7.22 10.9
110401060211 3×120+70 0.253 0.153 0.304 0.184 0.075 185 155 180 240 195 230 9.12 13.8
110401070211 3×150+70 0.206 0.124 0.247 0.1488 0.074 210 175 205 270 225 265 11.4 17.3
110401080211 3×185+95 0.164 0.0991 0.197 0.1189 0.074 235 200 240 300 255 305 14.1 21.3
110401090211 3×240+120 0.125 0.0754 0.151 0.0912 0.073 275 235 280 345 295 355 18.2 27.6
110401100211 3×300+150 0.1 0.0601 0.122 0.0733 0.073 305 260 315 385 335 400 22.8 34.5
110401110211 3×400+185 0.0778 0.047 0.0961 0.058 0.072 335 290 375 425 360 435 30.4 46
110401120211 3×500+240 0.0605 0.0366 0.0759 0.459 0.072 370 320 425 470 390 520 38 57.5
110401130211 3×630+300 0.0469 0.0283 0.061 0.0368 0.072 405 350 480 555 470 675 47.9 72.5