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Havells WHPNDSKB36X0 3 6 PVC BLACK 100 Fire Survival Cables 100M

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Availability: In stock

Price: Rs 15,171.20

Quick Overview

Designed for Critical Installation of National Importance:
• Airports
• Metro Rail Projects / Rail Terminals
•Nuclear / Thermal Power Plants
•Installation Prone to Fire
•Interstate Bus Terminals
•Introduction


Need of ensuring safe operation of critical circuits is essential in today’s installations. Normal cables used in such installations render useless in fire incidences. At Havells, your safety is our concern. Havells has now developed special type “Fire Survival Cables” through research. These cables - also known as CIRCUIT INTEGRITY CABLES & are designed to sustain the high temperatures for a defined minimum period of time under direct fire. These cables are useful to maintain their integrity during the defined period of fire. The construction of these cables is  different if compared with ordinary cables. The conductor is manufactured with a specially designed heat barrier and fire resistant insulation which resists the fire to reach conductor surface. The cable continues to remain into operation at high temperatures like 650°C, 750°C and 950°C as per various conditions of operation and applications.Wires offering same properties are also available.

 

These cables are manufactured and tested in accordance with BS 7846, IS 7098(P-1), IEC 69331 and BS 6387 for required temperatures and duration - depending upon the application of cable and site conditions.


Constituents
HAVELLS FS CABLES are manufactured with the following materials.
1.  ANNEALED PLAIN COPPER CONDUCTOR
2.  HEAT BARRIER OVER THE CONDUCTOR
3.  CROSS LINKED POLYETHYLENE
4.  GALVANISED STEEL ARMOUR
5.  ZERO HALOGEN & LOW SMOKE COMPOUND


The ZHLS compound ascertains the least smoke and hence increased light transmission during burning of cables. The circuit integrity of HAVELLS FS cables at high temperatures remains unaltered for the required time period as per the specification defined.

Test Requirements
HAVELLS CIRCUIT INTEGRITY CABLES  are tested in accordance with IEC 60331, IEC 60332-1, IEC 60754-1, ASTMD 2863 & 2843, BS 7846 and BS 6387 for the following properties.
1.  FIRE RESISTANCE TEST
2.  SMOKE DENSITY RATING
3.  HALOGEN GAS EMISSION TEST
4.  OXYGEN INDEX TEST
5.  FLAMMABILITY TEST AS PER SWEDISH CHIMNEY


Special Properties
HAVELLS FS cables are designed with the following special properties which make the cable excellent in the fire conditions.
1.  Circuit Integrity under fire at high temperature
2.  Enhanced Current Carrying Capacity due to high permissible conductor temperature
3.  Higher Short Circuit Capacity
4.  Lighter in weight hence easy to handle and installation
5.  Reluctant to Overheating
6.  High Oxygen Index – refrains the cable from spreading the fire 
7.  Low smoke density reduces the environmental opaqueness during fire
8.  High degree of light transmission in the event of fire
9.  No chance of emission of Halogen Gases – safe for humans
10. Negligible emission of Toxic and Corrosive gases - diminishing the chance to damage the human body/sensitive equipment


Circuit Integrity (Fire Resistance) Test : as per IEC 60331

The test is carried out on the cable operational on load and burning at a temperature of 750 Deg C for 3 hours. The cable is put on the clamps above the fire burner of high flames. The power supply is connected to one end of cable at rated voltage and the load is connected to other end. Fire applied for 3 hours and during this period, the circuit integrity must be uninterrupted. After the 3 hours, the fire and power is switched off. The cable should report as usual when energised again after a gap of 12 hours.



CPRI TEST REPORT

Note: The prices are subject to change without prior notice. We will send you an email after confirmation from our sellers notifying the pricing along with the current stock and delivery leadtime.

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