English

PRODUCTS

Home

Products

Concentric Cables

BS Standard Concentric Cables

BS 7870 Aluminium Split PVC Concentric Wire DNO Supply Cable

Send Email to Us

DOWNLOAD CATEGORY SPECIFICATIONS

Product Details

Product parameter

Application

Distribution network operators (DNOs) employ PVC jacketed concentric neutral wire to make the final connection to residential homes.
Concentric Wire is Additionally useful for sub main distribution, specifically in high-rise structures and street lighting 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 solid Al conductor

Insulation:
XLPE

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

Earth Continuity Conductor:
Plain copper wires

String Separator:
Non-hydroscopic separator

Sheath:
PVC

Sheath Colour:
black

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
NO. OF CORES	NOMINAL CROSS SECTIONAL AREA	NOMINAL OVERALL DIAMETER	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
NO. OF CORES	NOMINAL CROSS SECTIONAL AREA	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