LT AB Cables

LT Aerial Bunched cables, also known as LT AB Cables, are distinct from bare conductor overhead distribution. They are good for distribution of electricity to residential, commercial and industrial units. These cables have overcome limitations of PVC insulated cables such as thermal degradation, poor moisture resistance and thermoplastic nature.

LT AB cables have higher current rating, higher short circuit rating approximately 1.2 times that of PVC. LT AB Cables have lower cost of laying because of comparatively smaller diameter of cable and higher weight. Installation charges are also low as diameter of the cable is comparatively lesser with smaller bending radius, requiring less space. For longer cable length voltage drop, one size lower cables can be used as compared to PVC insulated cable.

LT AB CABLE - COMMON SIZES

2C x 10 Sq mm
2C x 16 Sq mm
2C x 25 Sq mm

(3C x 50 Sq mm) + (1C x 55 Sq mm) + (1C x 25 Sq mm)
(3C x 70 Sq mm) + (1C x 55 Sq mm) + (1C x 25 Sq mm)
(3C x 95 Sq mm) + (1C x 55 Sq mm) + (1C x 25 Sq mm)

4 x 10 Sq mm
4 x 16 Sq mm
4 x 25 Sq mm

LT AB CABLE - FEATURES

AB cables are highly reliable and insulation has been developed to withstand extreme cold and intense sunlight. Disturbance and faults occur five to ten times more often in open wires lines than in AB cable lines. There is no risk in touching the live cable and the insulation reduces the number of short circuits and over voltage faults in overhead cables during thunderstorms. Few hardware accessories are needed which are different for different size of cables. Streets can be lit only at little extra conductor for lighting. The cable can be supplied with one or two insulated conductors for street lighting.

Convenient Usage

In electricity theft prone areas.
As replacement of bare lines in rural area & narrow street with limited space.
As replacement of bare lines where reliabilities of support is of prime importance.
In hilly terrain here cost of erection of overhead lines or under ground cable becomes very high.
As reinforcement of existing system with increase in voltage/current carrying capacity.
For temporary supplies.

Advantages

In comparison with bare overhead distribution line AB Cable has very high reliability in maintaining power services because power and neutral conductors are insulated with the best dielectric, resulting in the following advantages:

Less fault rate on account of good protection against line and ground faults by high winding falling trees or birds specially in hilly areas and forests.
High insulation resistance to earth in all seasons. Neglible lekage currents and low losses.
Multiplexer circuits of power and telephone cables could be in the same set of poles.
Better adaptability to laid besides with existing overhead bare conductor system without any interference.
High capacitance and low inductance leading to low impedance of lines.
Lower voltage drop, higher current carrying capacities vis--vis better voltage regulations.
Longer spans and longer distance lines are possible with better system stability.
AB cables are much safer than bare conductors.
It can be laid in dense vegetation and forest areas.
Additional connections can be easily and quickly made with hot line connectors.
Overall lines cost is reduced.
Maintenance is very convenient.
Very difficult to tap the AB cables, thus reducing theft which leads to lower distribution losess.
Since, the tension from the current carrying conductor is totally removed by introduction of messenger wire, the operating temperature of the conductor is 90 c as against 75 c thereby allowing AB cable to carry current equivalent to that of bare conductor of the same size.

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LT AB Cable

LT Aerial Bunched cables, also known as LT AB Cables, are distinct from bare conductor overhead distribution. They are good for distribution of electricity to residential, commercial and industrial units. These cables have overcome limitations of PVC insulated cables such as thermal degradation, poor moisture resistance and thermoplastic nature.

LT AB cables have higher current rating, higher short circuit rating approximately 1.2 times that of PVC. LT AB Cables have lower cost of laying because of comparatively smaller diameter of cable and higher weight. Installation charges are also low as diameter of the cable is comparatively lesser with smaller bending radius, requiring less space. For longer cable length voltage drop, one size lower cabl

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LT XLPE Cables

Aluminium Conductor A
XLPE Insulation 2X
Round Steel Wire W
Flat Steel Strip Armour F
Double Round Steel Wire Armour WW
Double Flat Steel Strip Armour FF
Non Magnetic (Al) Round Wire Armour WA
Non Magnetic (Al) Strip Armour FA
PVC Outer Sheath Y

f m exim lt xlpe cables are manufactured as per is: 7098/ part 1 suitable for continuous conductor temperature of 90c and short circuit 250c. f m exim lt xlpe cables have excellent electrical, mechanical and thermal properties, surpassing those of conventional polymeric dielectrics. Due to which f m exim lt xlpe cables can be used extensively in power station, industrial units, projects and power transmission and distributions. The superior properties of xlpe have led to lower insulation thickness, high current capacity, reduced weight and dimension. Our cable is the economic solution for low tension power distribution with high efficiency and total reliability.

lt xlpe cable - features

lt xlpe cables have longer life as compared to conventional pvc cables.
they have a higher conductor temperature rating i.e. 90c against 70c pvc cables.
they have a higher emergency overload capacity 130c.
max. Temperature limit under short circuit conditions for lt xlpe cables is 250c against 160c pvc cables. Hence they have higher short circuit rating.
insulation resistance of lt xlpe cable is excellent & superior to identical pvc cables.
they have high corrosion resistance in polluted atmosphere.
they have better properties of resistance to chemical and corrosive gases.
they have low installation cost because of light weight dimensions and are far more flexible.
they have better properties to withstand vibrations, hot impacts.
jointing of lt xlpe cables is easier and quicker.

1	Max. Conductor Temperature for continuous operation	: 90°C
2	Ambient Air Temperature	: 40°C
3	Standard Ground Temperature	: 30°C
4	Thermal Resistivity of Soil	: 150°C Cm/Watt
5	Thermal Resistivity	: 350°C Cm/Watt
6	Depth of Laying (for Cables laid direct in ground)	: 75 CM
7	Minimum Bending Radius (for Multi Core Cables)	: 12D (D-Dia Cable)
8	Max. Conductor temperature during short circuit	: 250°C
9	Maximum Ambient, Air temperature	: 85°C
10	Types of Installation
3 Core Cable – Installed Independently Single Core Cable – Three Core in trefoil touching each other.

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LT XLPE Cable

F M Exim LT XLPE Cables are manufactured as per IS: 7098/ Part 1 suitable for continuous conductor temperature of 90c and short circuit 250c. F M EXIM LT XLPE cables have excellent Electrical, Mechanical and Thermal properties, surpassing those of conventional polymeric dielectrics. Due to which F M EXIM LT XLPE cables can be used extensively in power station, industrial units, projects and power transmission and distributions. The superior properties of XLPE have led to lower insulation thickness, high current capacity, reduced weight and dimension. Our cable is the economic solution for low tension power distribution with high efficiency and total reliability.

LT XLPE CABLE - FEATURES

LT XLPE Cables have longer life as compared to conventional PVC Cables.
They have a higher conductor temperature rating i.e. 90C against 70C PVC Cables.
They have a higher emergency Overload capacity 130C.
Max. Temperature limit under short circuit conditions for LT XLPE Cables is 250C against 160C PVC Cables. Hence they have higher Short Circuit Rating.
Insulation Resistance of LT XLPE Cable is excellent & superior to identical PVC Cables.
They have high corrosion resistance in polluted atmosphere.
They have better properties of resistance to chemical and corrosive gases.
They have low installation cost because of light weight dimensions and are far more flexible.
They have better properties to withstand vibrations, hot impacts.
Jointing of LT XLPE Cables is easier and quicker.

Constituent	Code
Aluminium Conductor	A
XLPE Insulation	2X
Round Steel Wire	W
Flat Steel Strip Armour	F
Double Round Steel Wire Armour	WW
Double Flat Steel Strip Armour	FF
Non Magnetic (Al) Round Wire Armour	WA
Non Magnetic (Al) Strip Armour	FA
PVC Outer Sheath	Y

Operating Characteristics

1	Max. Conductor Temperature for continuous operation	: 90°C
2	Ambient Air Temperature	: 40°C
3	Standard Ground Temperature	: 30°C
4	Thermal Resistivity of Soil	: 150°C Cm/Watt
5	Thermal Resistivity	: 350°C Cm/Watt
6	Depth of Laying (for Cables laid direct in ground)	: 75 CM
7	Minimum Bending Radius (for Multi Core Cables)	: 12D (D-Dia Cable)
8	Max. Conductor temperature during short circuit	: 250°C
9	Maximum Ambient, Air temperature	: 85°C
10	Types of Installation
3 Core Cable – Installed Independently Single Core Cable – Three Core in trefoil touching each other.

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HT AB Cable

HT AB Cables are a very novel concept in overhead power distribution, as compared with conventional bare conductor in overhead distribution system, AB cable provides higher safety, reliability, lower power losses and ultimate economy by reducing installation, maintenance and operative cost. This superior system is ideal for rural distribution and especially attractive for installation in difficult terrains such as hilly areas, forest areas & coastal areas etc. These cables are designed, manufactured & tasted as per international specifications. AB cable is also considered for power distribution in congested urban areas with narrow lane and by- lanes. In developing urban complex HT AB cable is a better choice because of its flexibility for re-routing as demanded by changes in urban development plan.

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HT AB CABLES

HT AB Cables are a very novel concept in overhead power distribution, as compared with conventional bare conductor in overhead distribution system, AB cable provides higher safety, reliability, lower power losses and ultimate economy by reducing installation, maintenance and operative cost. This superior system is ideal for rural distribution and especially attractive for installation in difficult terrains such as hilly areas, forest areas & coastal areas etc. These cables are designed, manufactured & tasted as per international specifications. AB cable is also considered for power distribution in congested urban areas with narrow lane and by- lanes. In developing urban complex HT AB cable is a better choice because of its flexibility for re-routing as demanded by changes in urban development plan.

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