FIREX LS0H (Low Smoke Zero Halogen)

LS0H (Low Smoke Zero Halogen) insulation 90°C | Non-Toxic and Non-Corrosive | Does not propagate flame and fire.


These cables are ideal for domestic applications, conduit wiring and fixed, protected installations. Apart from residential and commercial properties, these cables are best suited for Auditoriums, Hospitals, Hotels, Schools, Stadiums and all constructions for Public usage. These cables are ideal for use in environments where high-performance, reliability and safety is a norm

Technical Data

Conductor : Thin strands of electrolytic copper are multi-drawn for uniformity of resistance, dimension and flexibility. The strands are twisted with high precision to impart circularity for the conductor.
Insulation : Polyolefin cross linked EI5 to BS EN 50363-5 Low Smoke Zero Halogen (LS0H).
Insulation Conformity : EN 60332-1-2, EN 60332-3 & EN 60754-1 & 2
Colours : Green, Black, Red, Yellow, Blue, Grey, White
Marking : The cables are marked 'FIREX LS0H'
Packing : 90 mtrs. Coils packed in protective cartons.
Standard : BS EN 50525-3-41
Temperature range : -15°C to +90°C


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, 07 - White

Part Number 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 (Ω/km) Current Rating (Amps)
Casing Concealed
01010101xx60 1.0* 0.7 14/0.3 2.7 18.1 19 17
01010102xx60 1.5* 0.7 22/0.3 3.0 12.1 24 21
01010103xx60 2.5* 0.8 36/0.3 3.7 7.41 37 29
01010104xx60 4.0** 0.8 56/0.3 4.1 4.95 41 33
01010105xx60 6.0** 0.8 84/0.3 4.6 3.30 53 43

*As per conductor class 2 of IEC 60228
** As per conductor class 5 of IEC 60228

Advantages - FIREX LS0H Vs LS0H

Sr. No. Properties FIREX LS0H- Cross linked LS0H-Thermoplastic (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
5 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

Test Parameters - FIREX LS0H

Test Test Method Values
0xygen index ASTM-D 2863 ≥ 31 %
Temp. index ASTM-D 2863 > 250 °C
Smoke density (Light absorption) ASTM-D 2843 < 7%
Acid gas generation IEC-60754-1 < 0.0%
Popular Engineering Corporation
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Popular Engineering Corporation
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