An Armoured Cable is a type of cable covered in a metal sheath. Armoured cable is a cable with a metal protective covering to ensure electrical continuity of the safety ground. It is used to conduct power. Armoured cables are used in applications where cables will be exposed to mechanical or environmental damage under normal operating conditions. This cable constitutes the best cable for transmission & distribution lines because of its excellent electrical and physical properties. The mutual capacitance of XLPE cables is also lower, thus reducing the charging currents & earth-leakage currents in networks without the rigid star-point earthing. The excellent resistance to thermal deformation & the excellent aging property of XLPE cable permit it to carry large current under normal (90°C) or short circuit (250°C) conditions. These cables can withstand smaller radius bending and is lighter in weight allowing for easy & reliable installation.
Aluminium Stranded Wires Class - 2
XLPE-Cross Linked Polyethylene Compound
Polyvinyl Chloride (PVC)
Single layer of GS Flat Strips
PVC TYPE ST-2 (Option : FR Type / FRLS Type)
It is used in industrial applications like in cable trays & raceways. Many cities & municipalities allow the use of these cables in residential & commercial applications. They are most suitable for underground cabling such as in sewers or underground transport networks or outdoor walls via cable cleats.
Sr. No. | No. of cores & cross-sectional Area/Neutral Core (Sq. mm.) | Thickness of XLPE Insulation mm | Inner Sheath PVC Thickness mm | Armour Size mm (G.I) W x H | Outer Sheath PVC Thickness mm | Approx Outer Sheath O/D mm | Max. DC Conductor Resistance At 20°C (Ohm/Km) | Approx Weight KG/km | Current Ratings (Amp.) | ||
---|---|---|---|---|---|---|---|---|---|---|---|
Power Core mm | Neutral Core mm | Direct in Ground | In Air | ||||||||
1 | 3.5 X 25/16 | 0.9 | 0.7 | 0.30 | 4.0 x 0.80 | 1.40 | 22.1 | 1.20 | 800 | 95 | 99 |
2 | 3.5 X 35/16 | 0.9 | 0.7 | 0.30 | 4.0 x 0.80 | 1.40 | 24.2 | 0.868 | 1650 | 116 | 117 |
3 | 3.5 X 50/25 | 1.0 | 0.9 | 0.30 | 4.0 x 0.80 | 1.40 | 27.2 | 0.641 | 2150 | 140 | 140 |
4 | 3.5 X 70/35 | 1.1 | 0.9 | 0.40 | 4.0 x 0.80 | 1.56 | 31.1 | 0.443 | 2850 | 170 | 176 |
5 | 3.5 X 95/50 | 1.1 | 1.0 | 0.40 | 4.0 x 0.80 | 1.56 | 34.2 | 0.320 | 3800 | 200 | 210 |
6 | 3.5 X 120/70 | 1.2 | 1.1 | 0.40 | 4.0 x 0.80 | 1.72 | 38.4 | 0.253 | 4750 | 225 | 258 |
7 | 3.5 X 150/70 | 1.4 | 1.1 | 0.40 | 4.0 x 0.80 | 1.88 | 43.1 | 0.206 | 5600 | 255 | 294 |
8 | 3.5 X 185/95 | 1.6 | 1.1 | 0.50 | 4.0 x 0.80 | 2.04 | 46.5 | 0.161 | 6600 | 285 | 339 |
9 | 3.5 X 240/120 | 1.7 | 1.2 | 0.60 | 4.0 x 0.80 | 2.20 | 51.0 | 0.125 | 8800 | 325 | 402 |
10 | 3.5 X 300/150 | 1.8 | 1.4 | 0.60 | 4.0 x 0.80 | 2.36 | 55.3 | 0.100 | 10700 | 370 | 461 |