Power Cable

Janta Cable Single Core (Armoured and Unarmound ) Power Cables with Copper and Aluminium Conductors.

 

Cross-sectional area (sq.mm) Thickness insulation Thickness of PVC outer Sheath(mm) Max. Outer Diameter Current Rating (Amps)
Copper Aluminium
Unarm
(mm)
Arm
(mm)
Unarm
(mm)
Arm
(mm)
Unarm
(mm)
Arm
(mm)
Direct in ground(Amps) Laid in air (Amps) Direct in ground(Amps) Laid in air(Amps)
1.5 0.8 1.1 1.8 1.24 7.8 9.2 25 22 21 18
2.5 0.9 1.2 1.8 1.24 8.0 10.2 35 30 28 25
4.0 1.0 1.3 1.8 1.24 8.3 10.7 39 35 31 27
6.0 1.0 1.3 1.8 1.24 9.2 11.6 49 44 39 35
10.0 1.0 1.3 1.8 1.24 10.1 12.5 65 60 51 47
16.0 1.0 1.3 1.8 1.24 10.8 13.2 85 82 66 64
25.0 1.2 1.5 1.8 1.24 12.4 14.8 110 110 86 84
35.0 1.2 1.5 1.8 1.24 13.4 15.8 130 130 100 105
50.0 1.4 1.7 1.8 1.24 15.2 17.6 155 165 120 130
70.0 1.4 1.7 1.8 1.4 16.8 19.6 190 205 140 155
95.0 1.6 1.9 1.8 1.4 18.9 20.9 220 245 175 190
120.0 1.6 1.9 2.0 1.4 20.8 22.4 250 280 195 220
150.0 1.8 2.1 2.0 1.4 22.7 24.3 280 320 220 250
185.0 2.0 2.3 2.0 1.4 24.8 26.4 305 370 240 290
240.0 2.2 2.5 2.0 1.4 27.4 29.1 345 425 270 335
300.0 2.4 2.7 2.0 1.56 30.0 32.1 375 475 295 380
400.0 2.6 3.0 2.2 1.56 34.2 36.0 400 550 325 435
500.0 3.0 3.4 2.2 1.56 37.8 39.6 425 590 345 480
630.0 3.4 3.9 2.4 1.72 42.7 44.7 470 660 390 550
800.0 3.4 3.9 2.4 1.88 47.1 49.4 530 725 440 600
1000.0 3.4 3.9 2.6 2.04 51.5 53.7 590 870 490 720

 

Janta Cable Two Core (Armoured and Unarmound ) Power Cables with Copper and Aluminium Conductors.
 
Cross-sectional area (sq.mm) Thickness insulation (mm) Thickness of Inner Sheath Thickness of PVC outer Sheath(mm) Max. Outer Diameter Current Rating (Amps)
Copper Aluminium
Unarm
(mm)
Arm
(mm)
Direct in ground
(Amps)
Laid in air (Amps) Direct in ground(Amps) Laid in air(Amps)
1.5 0.8 0.3 1.8 10.8 13.3 23 20 18 16
2.5 0.9 0.3 1.8 11.9 14.5 32 27 25 21
4.0 1.0 0.3 1.8 13.3 15.9 41 35 32 27
6.0 1.0 0.3 1.8 14.3 16.9 50 45 40 35
10.0 1.0 0.3 1.8 16.0 18.5 70 60 55 47
16.0 1.0 0.3 1.8 16.8 19.4 90 78 70 59
25.0 1.2 0.3 2.0 19.6 21.5 115 105 86 75
35.0 1.2 0.3 2.0 21.0 23.0 140 125 110 99
50.0 1.4 0.3 2.0 23.7 25.5 165 155 135 125
70.0 1.4 0.3 2.0 25.7 27.5 205 195 160 150
95.0 1.6 0.3 2.0 29.5 30.9 240 230 190 185
120.0 1.6 0.4 2.2 32.0 33.2 275 265 210 210
150.0 1.8 0.4 2.2 34.6 36.4 310 305 240 240
185.0 2.0 0.4 2.2 37.9 40.1 350 350 275 275
240.0 2.2 0.5 2.4 42.65 44.3 405 410 320 325
300.0 2.4 0.5 2.6 46.9 48.7 450 465 355 365
400.0 2.6 0.6 2.8 52.4 54.1 490 530 385 420
500.0 3.0 0.6 3.0 59.55 60.0 550 370 430 470

 

 Janta Cable Three Core (Armoured and Unarmound ) Power Cables with Copper and Aluminium Conductors.
 
Cross-sectional area (sq.mm) Thickness insulation (mm) Thickness of Inner Sheath Thickness of PVC outer Sheath(mm) Max. Outer Diameter Current Rating (Amps)
Copper Aluminium
Unarm
(mm)
Arm
(mm)
Direct in ground
(Amps)
Laid in air (Amps) Direct in ground(Amps) Laid in air(Amps)
1.5 0.8 0.3 1.8 11.1 13.8 21 17 16 13
2.5 0.9 0.3 1.8 12.5 15.1 27 24 21 18
4.0 1.0 0.3 1.8 14.0 16.6 36 30 28 23
6.0 1.0 0.3 1.8 15.2 17.7 45 39 35 30
10.0 1.0 0.3 1.8 17.0 18.6 60 52 46 40
16.0 1.0 0.3 1.8 18.0 20.3 77 66 60 51
25.0 1.2 0.3 2.0 21.6 23.4 99 90 73 67
35.0 1.2 0.3 2.0 23.5 25.4 120 110 92 86
50.0 1.4 0.3 2.0 26.9 28.8 145 135 110 105
70.0 1.4 0.4 2.2 30.5 32.2 175 165 135 130
95.0 1.6 0.4 2.2 34.5 36.4 210 200 165 155
120.0 1.6 0.4 2.2 37.5 39.4 240 230 185 180
150.0 1.8 0.5 2.4 41.5 43.3 270 265 210 205
185.0 2.0 0.5 2.6 46.0 48.2 305 300 235 240
240.0 2.2 0.5 2.6 51.0 53.6 345 355 275 280
300.0 2.4 0.6 3.0 57.0 59.4 385 400 305 315
400.0 2.6 0.7 3.2 64.0 65.9 425 455 335 375
500.0 3.0 0.7 3.4 72.0 74.0 460 490 370 420

 

 Janta Cable Three and half Core (Armoured and Unarmound ) Power Cables with Copper and Aluminium Conductors.
 
Cross-sectional area (sq.mm) Thickness insulation (mm) Thickness of Inner Sheath Thickness of PVC outer Sheath(mm) Max. Outer Diameter Current Rating (Amps)
Copper Aluminium
Unarm
(mm)
Arm
(mm)
Direct in ground
(Amps)
Laid in air (Amps) Direct in ground(Amps) Laid in air(Amps)
25/16 1.2/1.0 0.3 2.0 23.5 25.3 99 90 73 67
35/16 1.2/1.0 0.3 2.0 25.6 27.6 120 110 92 86
50/25 1.4/1.2 0.3 2.2 29.9 31.9 145 135 110 105
70/25 1.4/1.2 0.4 2.2 33.1 35.1 175 165 135 130
95/50 1.6/1.4 0.4 2.2 37.8 40.2 210 200 165 155
120/70 1.6/1.4 0.5 2.4 41.4 43.4 240 230 185 180
150/70 1.8/1.4 0.5 2.6 45.9 47.7 270 265 210 205
185/95 2.0/1.6 0.5 2.8 51.2 53.0 300 305 235 240
240/120 2.2/1.6 0.6 3.0 57.2 59.0 345 355 275 280
300/150 2.4/1.8 0.7 3.2 63.9 65.7 385 400 305 315
400/185 2.6/2.0 0.7 3.4 71.2 73.4 425 455 335 375
500/240 3.0/2.2 0.7 3.8 81.1 81.7 460 490 370 420

 

 Janta Cable Four Core (Armoured and Unarmound ) Power Cables with Copper and Aluminium Conductors.
 
Cross-sectional area (sq.mm) Thickness insulation (mm) Thickness of Inner Sheath Thickness of PVC outer Sheath(mm) Max. Outer Diameter Current Rating (Amps)
Copper Aluminium
Unarm
(mm)
Arm
(mm)
Direct in ground
(Amps)
Laid in air (Amps) Direct in ground(Amps) Laid in air(Amps)
1.5 0.8 0.3 1.8 12.0 14.8 21 17 16 13
2.5 0.9 0.3 1.8 13.5 16.3 27 24 21 18
4.0 1.0 0.3 1.8 15.0 18.0 36 30 28 23
6.0 1.0 0.3 1.8 16.5 19.6 45 39 35 30
10.0 1.0 0.3 1.8 18.5 20.8 60 52 46 40
16.0 1.0 0.3 2.0 20.9 22.8 77 66 60 51
25.0 1.2 0.3 2.0 24.6 26.5 99 90 73 67
35.0 1.2 0.3 2.0 27.0 28.9 120 110 92 86
50.0 1.4 0.4 2.2 31.6 33.5 145 135 110 105
70.0 1.4 0.4 2.2 35.1 37.0 175 165 135 130
95.0 1.6 0.5 2.4 40.4 42.3 210 200 165 155
120.0 1.6 0.5 2.4 43.9 46.3 240 230 185 180
150.0 1.8 0.5 2.4 48.7 50.9 270 265 210 205
185.0 2.0 0.6 2.8 54.4 56.6 300 305 235 240
240.0 2.2 0.6 3.0 60.7 62.9 345 355 275 280
300.0 2.4 0.7 3.4 68.5 70.3 385 400 305 315
400.0 2.6 0.7 3.6 76.1 78.3 425 455 335 375
500.0 3.0 0.7 4.0 85.7 87.4 460 490 370 420

 

 


Overall Diameter of 1.1 KV. 3.5 Core. XLPE / PVC Sheated (Armoued and Unarmoured) Cables.

 

Size Approx. Overall Diameter (mm)
Unarmoured Flat Strip Armoured Wire Armoured
sq. mm PVC XLPE PVC XLPE PVC XLPE
25 24.9 23.4 26.6 25.1 28.2 26.8
35 27.3 25.8 29.0 27.1 30.7 29.2
50 29.4 27.5 31.5 29.2 33.2 31.3
70 33.3 31.8 35.0 33.5 37.5 36.0
95 38.0 35.5 39.7 37.2 42.6 39.7
120 41.5 39.0 43.2 44.1 46.1 43.6
150 45.2 42.9 47.3 44.6 49.8 47.6
185 50.1 44.1 52.2 49.8 55.8 53.8
240 56.9 54.0 58.6 55.7 62.6 59.6
300 63.2 60.0 64.9 61.6 70.4 65.6
400 70.5 67.4 72.6 69.1 77.6 74.6

 

 


Current Rating ( In Ground ) for XLPE Insulated 1.1 KV Grade Cables.

 

Size Aluminium Conductor Copper Conductor
Single Core Multi Core Single Core Multi Core
sq. mm PVC XLPE PVC XLPE PVC XLPE PVC XLPE
10 51 55 46 50 65 71 60 65
16 66 74 60 68 85 95 77 87
25 86 98 76 90 110 125 99 115
35 100 118 92 108 130 150 120 138
50 120 137 110 126 155 175 145 161
70 140 172 135 158 190 220 175 202
95 175 204 165 187 220 260 210 239
120 195 234 185 215 250 301 240 276
150 220 262 210 240 280 336 270 208
185 240 298 235 273 305 381 300 350
240 270 344 275 316 345 441 345 405
300 295 387 305 355 375 496 385 455
400 325 458 335 420 400 586 425 538

 

 


Advantages of XLPE Cable over PVC Cable are as under :

� XLPE cable has longer life than PVC Cables.
� XLPE cable has higher conductor temperature rating i.e. 90° C as against 70° C of PVC.
� XLPE cable has higher short circuit rating (250° C as against 160° C for PVC ).
� XLPE cable has higher emergency overload capacity than PVC cables (upto 60 %).
� The moisture resistance of XLPE cables is nearly 100 times more than that of PVC cables.
� The insulation resistance of XLPE cable is very high compared to PVC ( as high as 1000 times ).
� The corrosion resistance of XLPE cable is very high in polluted atomosphere than PVC cables.
� XLPE cable has better properties of resistance to chemical and corrosive gases.
� XLPE cable has better properties to withstand vibrations and hot impacts.
� XLPE cable has low installation cost because of light weight,dimensions and are more flexible.
� XLPE cable is easier and quicker for jointing purposes.
� XLPE cable is ideal for transmission and distribution of power.

 


Comparision of AC Current Rating between XLPE and PVC Aluminium Conductors Cables.

Nominal CS of conductor (sq.mm) 3 Single Core Cables Multi Core Cables
In Ground (Amps) In Air (Amps) In Ground (Amps) In Air (Amps)
XLPE PVC XLPE PVC XLPE PVC XLPE PVC
25 99 86 115 84 95 76 99 70
35 117 100 140 105 116 92 117 86
50 138 120 170 130 140 110 140 105
70 168 140 210 155 170 135 176 130
95 204 175 255 190 200 165 221 155
120 230 195 300 220 225 185 258 180
150 265 220 342 250 255 210 294 205
185 295 240 385 290 285 235 339 240
240 340 270 450 335 325 275 402 280
300 390 295 519 380 370 305 461 315
400 450 325 605 435 435 335 542 375

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