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LS0H (Low Smoke Zero Halogen) insulation cable wire


Product Name

LS0H (Low Smoke Zero Halogen) insulation cable wire

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LS0H (Low Smoke Zero Halogen) insulation cable wire

LS0H (Low Smoke Zero Halogen) insulation 90°C and UNILAY conductor Halogen Free Flame Retardant Cable – Non-Toxic & Non-Corrosive. Does not propagate flame & fire.


Anti-Rodent, Anti-Termite
100% Electrolytic Copper
More than 101% Conductivity


This cable is ideal for use in domestic applications, electrical switchgear, industrial lighting, control panels, wiring of switchboards, control, general wiring, instrumentation and communication systems. In many countries, it is mandatory to use these LS0H cables in Auditoriums, Hospitals, Hotels, Schools, Stadiums, and all constructions for public usage.

Technical Data

Conductor : Thin strands of Electrolytic Copper are multi-drawn for uniformity of Resistance, Dimension and Flexibility. The drawn strands are uni-laid with high precision and compacted. Thus forming a perfectly circular conductor which enables reduction in overall diameter for space saving in high density wiring.
Insulation : Polyolefin cross linked EI5 to BS EN 50363-5 Low Smoke Zero Halogen (LS0H). 

Colours : Green, Black, Red, Yellow, Blue, Grey, Whiteth
Marking : The cables are printed with the marking of 'FIREX LS0H’
Packing : 90 mtr. coils packed in protective cartons. Project coils of 180 mtr. also available.


The insulation does not burn readily. It does not melt and drip, smoke is negligible, transparent, non-toxic. In a fire situation the people trapped in fire do not suffocate. This facilitates fire fighting and rescue operations. This cable has extended service life against the conventionally used cables.
Ozone resistant according to EN 60811-2-1

Cable Design Parameters

Kindly complete the part numbers for these cables by adding the suffix (in place of ‘xx’) for the colour required:
01 – green, 02 – black, 03 – red, 04 – blue, 05 – yellow, 06 – grey.

Nominal Cross

Sectional Area

(Sq. mm)

Nominal Insulation

Thickness (mm)

Number *Nominal

Dia. of Strands

Approx. Overall

Diameter (mm)

Max. DC Conductor Resistance

at 20°C (ohm/km)

1 0.7 37/0.19 2.6 19.5
1.5 0.7 37/0.23 3 13.3
2.5 0.8 61/0.23 3.6 7.98
4 0.8 61/0.29 4.1 4.95
6.0# 0.8 84/0.29 4.6 3.3

*Conductor as per IEC 60228.

Advantages - FIREX LS0H Vs LS0H

Sr. No. Properties FIREX LS0H- Cross linked


(Other Products)

1 Thermal Resistance Max. operating temperature 90°C Max. operating temperature 70°C
2 No change under heat Deform and soften under heat
3 Max. short circuit temp. rating 250 °C Max. short circuit temp. rating 160 °C
4 Structure 3-Dimensional structure Usually linear in structure

Hygroscopic nature

(Higer water absorption reduces electrical properties)

Non Hygroscopic Comparatively hygroscopic
6 Electrical Properties Higher dielectric strength Lower dielectric strength
7 Higher current carrying capacity Lower current carrying capacity


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