BS 7870 Aluminium LSZH Split Concentric Cable

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Product Details

Product parameter

What is split concentric cable used for ?

Distribution Network Operators (DNO's) frequently employ LSZH Split Concentric Cable when establishing the last service connection to residential homes.
Split concentric cables work well for sub-main distribution and have been found to be especially helpful for systems used in high-rise structures and public lighting.
These Split Concentric Cable is made to be buried in free-draining soil or put in the air.

Performance

Electrical performance U0/U:
0.6/1kV

Mechanical performance:
minimum bending radius:8 x overall diameter

Terminal performance:
-Maximum service temperature:70℃
-Minimum service temperature:-15℃

Fire performance:
-Flame Retardant according to IEC/EN 60332-1-2 Standard

Construction

Conductor:
Class 1 solid aluminium conductor

Insulation:
XLPE (Cross-linked polyethylene)

Neutral Conductor:
Plain copper wires covered by a blue polymeric compound

Earth Continuity Conductor:
Plain copper wires

String Separator:
Non-hydroscopic separator

Sheath:
LSZH (Low Smoke Zero Halogen)

Sheath Colour:
Orange

Cable Marking and Packing Materials

Cable Marking:
printing, embossing, engraving

Packing Materials:
wooden drum, steel drum, steel-wooden drum

Specifications

-BS 7870-3-21, EN 60228 Standard

Physical Performance Parameters

NO. OF
CORES
NOMINAL CROSS SECTIONAL AREA NOMINAL OVERALL DIAMETER MAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°C
Phase Neutra Earth
- mm2 mm ohms/km ohms/km ohms/km
1 25 15 1.2 1.2 1.2
1 35 16 0.868 0.76 1.2
3 25 23.5 1.2 1.2 1.2
3 35 26 0.868 0.76 1.2

Electrical Performance Parameters

NO. OF
CORES
NOMINAL CROSS
SECTIONAL AREA
SPLIT CONCENTRIC CABLE CURRENT CARRYING CAPACITY
In Air Clipped Direct Enclosed in Conduit on a Wall
- mm2 Amps Amps Amps
1 25 127 119 105
1 35 158 147 128
3 25 97 90 84
3 35 120 112 103

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