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ESC Flame RetardantLow Smoke Cables

ESC Flame RetardantLow Smoke CablesESC Cables FLAIVE RETARDANT LOW SMOKE (FRLS) WIRES are insulated with special type FRLS PVC compound. Apart from having high oxygen and temperature index. This insulation has low smoke emitting and toxic fumes suppressing properties.

 

ln case of fire, the ordinary PVC insulation generates dense black smoke which reduces the visibility and the toxic fumes of hydrochloride acid gas, which causes causalities due to the suffocation and inhaling toxic fumes. The properties of low smoke and acid gas generation maintain the visibility and accelerate the evacuation and rescue operation. The cable is suitable for use in high rise buildings, hospital, theaters, schools, and colleges etc. where the density of the people is high.

 

Characterstics Functions Spec. Typical
FRLS Non FRLS

Critical Oxygen

index

To determine the % of oxygen required for

supporting combustion of insulating

material at room temp.

ASTM

D-2863

more than 29% 23%
Temprature index

To determine at what temp normal oxygen

contents of 21% in air will support combustion

of insulating material

ASTM

D-2863

more than 250%

150 C

Acid Gas Genration what amount of hydro chloric acid gas is evolved from PVC insulation under fire condition.

IEC

754-1

more than 20% 45-50%
 
Nominal Cross Sectional Area of the Conductor Nos./ Nominal Dia. of Strand Nominal Thickness of Insulator Approx. Overall Dia Current Rating Capacity Max. Resistance at 20" C Max
sq. mm No./(mm) (mm) (mm) (Amps) (0hm/KM.)
1.0 14/0.3 0.7 2.80 11 18.10
1.5 22/0.3 0.7 3.10 14 12.10
2.5 36/0.3 0.8 3.80 19 7.41
4.0 56/0.3 0.8 4.40 26 4.95
6.0 84/0.3 0.8 5.00 31 3.30

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