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LT Power Cables, Wires & Cables
AYY/YY-4 CORE
Cable Construction
1.1 kV (A.C) & 1.5 kV (D.C ) to Earth
4 cores AL / CU conductor, PVC insulated, unarmoured cables as per IS 1554 Part – 1.
Conductor : AL up to 10 Sq. mm conductor are solid Cl. 1 as per IS 8130. And above 10 Sq. mm conductor are stranded compacted shape Cl. 2 as per IS 8130
In CU 4 & 6 Sq. mm conductor are solid Cl. 1 or stranded Cl. 2 as per IS 8130. 10 Sq. mm conductor is stranded Cl. 2 round as per IS 8130. Above 10 Sq. mm conductor are stranded compacted shaped Cl. 2 as per IS 8130
Insulation : PVC Type – A, as per IS 5831. (Option : HR PVC Type – C, as per IS 5831)
Core Color : Red, yellow, blue, 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 | ||||||
| 110500400004 | 4 | _ | 1/7 | 1.0 | 0.3 | 1.8 | 16 | 290 | 390 |
| 110500400006 | 6 | 1 | 1/7 | 1.0 | 0.3 | 1.8 | 18 | 380 | 530 |
| 110500400010 | 10 | 1 | 6 | 1.0 | 0.3 | 1.8 | 20 | 530 | 770 |
| 110500400016 | 16 | 6 | 6 | 1.0 | 0.3 | 2.0 | 23 | 550 | 940 |
| 110500400025 | 25 | 6 | 6 | 1.2 | 0.3 | 2.0 | 26 | 740 | 1350 |
| 110500400035 | 35 | 6 | 6 | 1.2 | 0.3 | 2.0 | 30 | 925 | 1785 |
| 110500400050 | 50 | 6 | 6 | 1.4 | 0.4 | 2.2 | 34 | 1230 | 2480 |
| 110500400070 | 70 | 12 | 12 | 1.4 | 0.4 | 2.2 | 38 | 1540 | 3285 |
| 110500400095 | 95 | 15 | 15 | 1.6 | 0.4 | 2.4 | 43 | 2030 | 4385 |
| 110500400120 | 120 | 15 | 18 | 1.6 | 0.5 | 2.4 | 46 | 2385 | 5360 |
| 110500400150 | 150 | 15 | 18 | 1.8 | 0.5 | 2.6 | 51 | 2925 | 6650 |
| 110500400185 | 185 | 30 | 30 | 2.0 | 0.6 | 2.8 | 55 | 3630 | 8230 |
| 110500400240 | 240 | 30 | 34 | 2.2 | 0.6 | 3.0 | 60 | 4580 | 10530 |
| 110500400300 | 300 | 30 | 34 | 2.4 | 0.7 | 3.4 | 66 | 5480 | 12950 |
| 110500400400 | 400 | 53 | 53 | 2.6 | 0.7 | 3.6 | 73 | 6780 | 16700 |
| 110500400500 | 500 | 53 | 53 | 3.0 | 0.7 | 4.0 | 82 | 8580 | 20980 |
| 110500400630 | 630 | 53 | 53 | 3.4 | 0.7 | 4.0 | 92 | 10980 | 25980 |
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) | Approx. Capacitance of Cable (microF/KM | Normal Current Rating (Amps) | Short CircuitCurrent Ratingfor 1sec. Duration(K.Amps) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| With AL Cond. | With CU Cond. | ||||||||||||||
| AL | CU | AL | CU | Ground | Duct | Air | Ground | Duct | Air | AL | CU | ||||
| 110500400004 | 4 | _ | 4.61 | _ | 5.53 | 0.098 | 0.23 | 28 | 23 | 23 | 36 | 30 | 30 | 0.304 | 0.46 |
| 110500400006 | 6 | 4.61 | 3.08 | 5.53 | 3.7 | 0.096 | 0.28 | 35 | 30 | 30 | 45 | 38 | 39 | 0.456 | 0.69 |
| 110500400010 | 10 | 3.08 | 1.83 | 3.7 | 2.2 | 0.091 | 0.34 | 46 | 39 | 40 | 60 | 50 | 52 | 0.76 | 1.15 |
| 110500400016 | 16 | 1.91 | 1.15 | 2.29 | 1.38 | 0.085 | 0.4 | 60 | 50 | 51 | 77 | 64 | 66 | 1.22 | 1.84 |
| 110500400025 | 25 | 1.2 | 0.727 | 1.44 | 0.87 | 0.083 | 0.42 | 76 | 63 | 70 | 99 | 81 | 90 | 1.9 | 2.88 |
| 110500400035 | 35 | 0.868 | 0.524 | 1.04 | 0.63 | 0.082 | 0.48 | 92 | 77 | 86 | 120 | 99 | 110 | 2.66 | 4.03 |
| 110500400050 | 50 | 0.641 | 0.387 | 0.769 | 0.464 | 0.082 | 0.49 | 110 | 95 | 105 | 145 | 125 | 135 | 3.8 | 5.75 |
| 110500400070 | 70 | 0.443 | 0.268 | 0.532 | 0.322 | 0.076 | 0.56 | 135 | 115 | 130 | 175 | 150 | 165 | 5.32 | 8.05 |
| 110500400095 | 95 | 0.32 | 0.193 | 0.384 | 0.232 | 0.076 | 0.58 | 165 | 140 | 155 | 210 | 175 | 200 | 7.22 | 10.9 |
| 110500400120 | 120 | 0.253 | 0.153 | 0.304 | 0.184 | 0.075 | 0.63 | 185 | 155 | 180 | 240 | 195 | 230 | 9.12 | 13.8 |
| 110500400150 | 150 | 0.206 | 0.124 | 0.247 | 0.1488 | 0.074 | 0.63 | 210 | 175 | 205 | 270 | 225 | 265 | 11.4 | 17.3 |
| 110500400185 | 185 | 0.164 | 0.0991 | 0.197 | 0.1189 | 0.074 | 0.64 | 235 | 200 | 240 | 300 | 255 | 305 | 14.1 | 21.3 |
| 110500400240 | 240 | 0.125 | 0.0754 | 0.151 | 0.0912 | 0.073 | 0.67 | 275 | 235 | 280 | 345 | 295 | 355 | 18.2 | 27.6 |
| 110500400300 | 300 | 0.1 | 0.0601 | 0.122 | 0.0733 | 0.073 | 0.68 | 305 | 260 | 315 | 385 | 335 | 400 | 22.8 | 34.5 |
| 110500400400 | 400 | 0.0778 | 0.047 | 0.0961 | 0.058 | 0.072 | 0.7 | 335 | 290 | 375 | 425 | 360 | 435 | 30.4 | 46 |
| 110500400500 | 500 | 0.0605 | 0.0366 | 0.0759 | 0.0459 | 0.072 | 0.7 | 370 | 320 | 425 | 470 | 390 | 520 | 38 | 57.5 |
| 110500400630 | 630 | 0.0469 | 0.0283 | 0.061 | 0.0368 | 0.072 | 0.7 | 405 | 350 | 480 | 555 | 470 | 675 | 47.9 | 72.5 |
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