Aluminium LSZH Split Concentric BS7870

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Split concentric cables, favored by Distribution Network Operators (DNOs) for domestic service connections, sub-main distribution, and applications in high-rise buildings and street lighting systems, offer versatile solutions for electrical networks. Designed for installation in air or burial in free-draining soil, they ensure reliable power distribution across various environments.

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Split concentric cables, favored by Distribution Network Operators (DNOs) for domestic service connections, sub-main distribution, and applications in high-rise buildings and street lighting systems, offer versatile solutions for electrical networks. Designed for installation in air or burial in free-draining soil, they ensure reliable power distribution across various environments. 

Conductor

Aluminium

Stranding

Class 1

Insulation

XLPE

Outersheath

LSZH

Colour

Orange

Voltage

0.6/1kV

Bendingradius

8 x overall diameter

Temperature

-15°C to +70°C

Standards

BS7870-3.22

BATT Part No (250m lengths) BATT Part No (Bulk lengths) No of cores Nominal cross sectional area of conductor (mm2) Approx overall diameter (mm) Weight (kg/km)
16749 16957 1 25 15 490
16751 16958 1 35 16 610

CONDUCTORS

Nominal cross sectional area (mm2) Maximum resistance of concentric conductor at 20°C (ohms/km) Phase Maximum resistance of concentric conductor at 20°C (ohms/km) Neutral Maximum resistance of concentric conductor at 20°C (ohms/km) Earth
35 1.2 1.2 1.2
25 0.868 0.76 1.2

ELECTRICAL CHARACTERISTICS

No of cores Nominal cross sectional area (mm2) Current carrying capacity (In Air) Current carrying capacity (Clipped Direct) Current carrying capacity (Enclosed in Conduit on a Wall)
1 25 127 119 105
1 35 158 147 128

Conductor Operating Temperature: 90°C

Ambient Temperature: 30°C

Batt Part No. Core Size Colour/Reference
16749 1 25 Orange
16957 1 25 Orange
16958 1 35 Orange
16751 1 35 Orange

The information in this datasheet is for guidance only and subject to change without liability. Images provided are representations; actual cable dimensions may vary due to manufacturing tolerances.

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