AYY/YY-4 CORE

AYY/YY-4 CORE

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AYY/YY-4 CORE
AYY/YY-4 CORE-Cross
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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.

Part Number 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 Cable AYY CU Cable YY
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 at
20°C (Ω/km)		 Max. AC
Conductor
Resistance at
70°C (Ω/km)		 Approx.
Reactance
at 50 Hz
(Ω/km)		 Approx.
Capacitance of
Cable
(microF
/KM)		 Normal Current Rating (Amps) Short Circuit
Current Rating
for 1sec. Duration
(K.Amps)
AL CU AL CU With AL Cond. With CU Cond. AL CU
Ground Duct Air Ground Duct Air
110200200004 4 _ 4.61 _ 5.53 0.098 0.23 28 23 23 36 30 30 0.304 0.46
110200200006 6 4.61 3.08 5.53 3.7 0.096 0.28 35 30 30 45 38 39 0.456 0.69
110200200010 10 3.08 1.83 3.7 2.2 0.091 0.34 46 39 39 60 50 52 0.76 1.15
110200200016 16 1.91 1.15 2.29 1.38 0.085 0.4 60 50 50 77 64 66 1.22 1.84
110200200025 25 1.2 0.727 1.44 0.87 0.083 0.42 76 63 63 99 81 90 1.9 2.88
110200200035 35 0.868 0.524 1.04 0.63 0.082 0.48 92 77 77 120 99 110 2.66 4.03
110200200050 50 0.641 0.387 0.769 0.464 0.082 0.49 110 95 95 145 125 135 3.8 5.75
110200200070 70 0.443 0.268 0.532 0.322 0.076 0.56 135 115 115 175 150 165 5.32 8.05
110200200095 95 0.32 0.193 0.384 0.232 0.076 0.58 165 140 140 210 175 200 7.22 10.9
110200200120 120 0.253 0.153 0.304 0.184 0.075 0.63 185 155 155 240 195 230 9.12 13.8
110200200150 150 0.206 0.124 0.247 0.1488 0.074 0.63 210 175 175 270 225 265 11.4 17.3
110200200185 185 0.164 0.0991 0.197 0.1189 0.074 0.64 235 200 200 300 255 305 14.1 21.3
110200200240 240 0.125 0.0754 0.151 0.0912 0.073 0.67 275 235 235 345 295 355 18.2 27.6
110200200300 300 0.1 0.0601 0.122 0.0733 0.073 0.68 305 260 260 385 335 400 22.8 34.5
110200200400 400 0.0778 0.047 0.0961 0.058 0.072 0.7 335 290 290 425 360 435 30.4 46
110200200500 500 0.0605 0.0366 0.0759 0.0459 0.072 0.7 370 320 320 470 390 520 38 57.5
110200200630 630 0.0469 0.0283 0.061 0.0368 0.072 0.7 405 350 350 555 470 675 47.9 72.5

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