LT POWER CABLES

LT POWER CABLES

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Features

  • Dielectric losses are very small.
  • Higher current carrying capacity
  • Higher short circuit rating 250 ℃. as against 160 ℃ for PVC
  • Jointing and Termination is easy.
  • Light in weight
  • Has better resistance to most chemicals, oils, acids, etc.

Technical Detail

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

  • 3.5 and 4 cores AL conductor, XLPE insulated, galvanised steel strip / wire armoured cables as per IS 7098 Part – 1.
  • AL upto 10 Sq.mm conductor are solid Cl.1 asper IS8130. & above 10 Sq. mm conductor are stranded compact shape Cl. 2 asper IS8130
  • Crosslinked polyethylene (XLPE)
  • Red, yellow, blue, black
  • PVC / PVC tape as per IS 7098 (P-1)
  • Single armouring of galvanised steel strip / wire
  • PVC Type ST – 2 as per IS 5831 (FR Type / FRLS Type)
  • Black (Other Colours available as per requirement)”

Application

The Cables are suitable for use on AC single phase or three phase (earthed or unearthed) systems for rated Voltage up to 1100 Volts.

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3.5 CORE XLPE INSULATED PVC SHEATHED UNARMOURED & ARMOURED POWER CABLES OF 1100 V GRADE GENERALLY CONFORMING TO IS 7098 (PART-1) WITH AlUMINIUM SHAPED CONDUCTOR
Nominal size of conductor Nominal Thickness of XLPE Insulation Min. Thickness of PVC Inner Sheath Unarmoured Formed wire/ Strip Armoured Round Wire Armoured Cable Current Rating in Air
Nominal Thickness of PVC Outer sheath Appox. Overall Diameter of Cable Nominal Dimension of GI Flat Strip Min. Thickness of PVC Outer Sheath Approx. Overall Diameter of Cable Nominal Dimension of GI Round Wire Min. Thickness of PVC Outer Sheath Appox. Overall Diameter of Cable
Sq.mm. mm mm mm mm mm mm mm mm mm mm Amps
25/16 0.9/0.7 0.3 2 22 0.8 x 4.0 1.4 23 1.6 1.4 25 99
35/16 0.9/0.7 0.3 2 24 0.8 x 4.0 1.4 25 1.6 1.4 27 117
50/25 1.0/0.9 0.3 2 27.5 0.8 x 4.0 1.4 28 1.6 1.56 30 140
70/35 1.1/0.9 0.4 2.2 31 0.8 x 4.0 1.56 32 2 1.56 35 176
95/50 1.1/1.0 0.4 2.2 35 0.8 x 4.0 1.56 35 2 1.56 38 221
120/70 1.2/1.1 0.4 2.2 37.5 0.8 x 4.0 1.72 39 2 1.72 42 258
150/70 1.4/1.1 0.5 2.4 41 0.8 x 4.0 1.72 43 2 1.88 46 294
185/95 1.6/1.1 0.5 2.6 46.5 0.8 x 4.0 1.88 47 2.5 2.04 51 339
240/120 1.7/1.2 0.6 2.8 52.5 0.8 x 4.0 2.04 53 2.5 2.2 56 402
300/150 1.8/1.4 0.6 3 56 0.8 x 4.0 2.2 57 2.5 2.36 60 461
4 CORE ALUMINIUM CONDUCTOR, XLPE INSULATED, UNARMOURED & GALVANISED STEEL STRIP / WIRE ARMOURED
CABLES GENERALLY CONFORMING TO IS 7098 (PART-1) WITH ALUMINIUM CONDUCTOR
Nominal size of conductor sq.mm. Nominal Thickness of Insulation (mm) Minimum Thickness of Inner Sheath (mm) unarmoured Armouring with flat strip Armouring with round wire
Nominal Thick.of Outer Sheath (mm) Approx.Overall Diameter (mm) Nominal Thickness of Arm.Strip (mm) Minimum Thickness of OuterSheath (mm) Approx.Overall Dia.(mm) Nominal Diameter of Wire(mm) Minimum Thickness of OuterSheath (mm) Approx. Overall Dia.(mm) Current rating in amps
4 0.7 0.3 1.8 16 N/A N/A N/A 1.4 1.24 18 30
6 0.7 0.3 1.8 17 N/A N/A N/A 1.4 1.24 19 40
10 0.7 0.3 1.8 19 N/A N/A N/A 1.4 1.4 21 53
16 0.7 0.3 1.8 20 0.8 1.4 20 1.6 1.4 22 70
25 0.9 0.3 2 24 0.8 1.4 24 1.6 1.4 26 99
35 0.9 0.3 2 26 0.8 1.4 27 1.6 1.4 28 117
50 1 0.3 2 29 0.8 1.56 30 1.6 1.56 32 140
70 1.1 0.4 2.2 34 0.8 1.56 34 2 1.56 37 176
95 1.1 0.4 2.2 37 0.8 1.56 37 2 1.72 40 221
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