BS 7870 Copper LSZH Split Jacketed Concentric Neutral Cable

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Product Details

Product parameter

Split Concentric Cable Uses

For distribution network cable that provides the last connection to residential premises, LSZH split concentric cable is appropriate.
BS 7870 Concentric Neutral Cable is additionally appropriate for street lighting and sub-main distribution systems.

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 2 stranded copper conductor

Insulation:
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:
Low Smoke Halogen Free

Sheath Colour:
black color

Cable Marking and Packing Materials

Cable Marking:
printing, embossing, engraving

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

Specifications

-BS 7870-3-21 Standard
-EN 60228 Standard

Physical Performance Parameters

NO. OF
CORES
NOMINAL CROSS SECTIONAL AREA NOMINAL OVERALL DIAMETER MAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C MAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°C
mm2 mm ohms/km ohms/km
1 4 11 1.2 4.61
1 16 16 1.2 1.15
1 25 19 1.2 0.727
1 35 23 0.868 0.524

Electrical Performance Parameters

NO. OF
CORES
NOMINAL CROSS
SECTIONAL AREA
CONCENTRIC CABLE CURRENT CARRYING CAPACITY
In Air Clipped Direct Enclosed in Conduit on a Wall
- mm2 Amps Amps Amps
1 4 42 41 37
1 16 100 99 88
1 25 129 120 110
1 35 135 130 117

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