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Single Core AWA cables with LSZH outersheath
All cables outlined in this section comply with the requirements of either IEC 60502-1 or BS 6724.
As per relevant Standards IEC 60502-1 and BS 6724 for Low Smoke and Halogen Free 0.6/1 kV Cables, the inner sheath and outer sheath material used for such cables has Low emission of smoke and Halogen free properties.
Manufacturers use different descriptive terms such as XLHF, LSZH, LS0H, LSOH, LSF, LSHF – all of which refer to the same material.
LSHF Cables are designed to offer improved performance in areas where smoke and fume emission in the event of a fire would cause particular problems.
CABLE TYPE
APPLICATION
CONSTRUCTION
CABLE STANDARDS
PERFORMANCE CHARATERISTICS
CABLE TYPE
0.6/1kV Cu/XLPE/LSHF/AWA/LSHF cable to IEC 60502-1
0.6/1kV Cu/XLPE/LSZH/AWA/LSZH cable to BS 6724
APPLICATION
In power stations, hospitals, theatres, hotels and other large public buildings. The Low Smoke Zero Halogen cable is ideal for use in applications where fire, smoke, emissions, and toxic fumes would create a potential threat.
The nature of organic material used in the cable manufacture of cables and possible installation conditions in areas of the fire risk can lead to a situation, where cables may contribute to the spread of fire, emission of smoke and release of combustion products injurious to equipment and human health.
LSHF cables use special formulation based on non-halogenated polymers to restrict the generation of smoke as much as possible. Materials are carefully selected, and the compounds carefully designed to ensure the best performance of the external sheaths, which are directly exposed to fire.
The compounds used in the manufacture of LSHF cables do not contain any smoke-generating constituents, particularly halogens (fluorine, chlorine, bromine) and thus do not emit halogenated acids emitted by standard materials such as PVC, when exposed to flames, which minimizes the total cost of damage caused by fire. Furthermore, the rate at which this low level of smoke is released is much slower than that of PVC or similar halogenated polymers.
LSHF Cables have controlled limits on smoke evolution, when assessed by burning samples of cables in a 3 meter cube smoke chamber as per IEC 61034. Generally these cables combine the properties of low corrosive gas emission and low toxic gas emission as they are essentially halogen free when assessed by IEC 60754-1 and IEC 60754-2.
CONSTRUCTION
Conductor:
Copper Circular stranded (Non-compacted or Compacted) Class 2 to IEC 60228 or BS EN 60228 (previously BS 6360)
Insulation:
XLPE – material and thickness as per IEC 60502-1 and rated for 900C continuous operation, as the case may be
Core Identification:
Single Core : Black
Inner Sheath:
LSHF
Armour
Aluminium Wire Armour
Outer Sheath
Outer sheath shall be extruded LSHF Type ST8 as per IEC 60502.
Thickness of outer sheath shall be as per IEC 60502-1 as per requirement.
For BS 6724 cables, outer sheath shall be LSZH Type ST8/LTS1.
Outer Sheath Colour: Black
In addition, finished cable are marked on the outer sheath to aid cable identification at site.
Fire Performance
0.6/1 kV cables shall meet flame test requirements of IEC 60332-3-24 (Category C).
Cables as per BS 6724 shall meet the requirements of low corrosive and low toxic gas emission as per BS 6724.
CABLE STANDARDS
IEC 60502-1 or BS 6724
BASEC Approved
PERFORMANCE CHARATERISTICS
Voltage Rating: 600/1000 Volts (600V to earth, 1000V between conductors)
Max. permissible continuous conductor temperature: +90°C
Minimum Bending Radius: As per cable manufacturer datasheet
Note: Please follow manufacturer datasheets and guidelines for cable usage and installation.
For further assistance,
please reach out to a member of the Phoenix Sales Team.