Concentric and Split Concentric Cables-BS

VOLTAGE: 0.6/1kV

CONDUCTOR: Class 1 Solid Aluminium; Class 2 stranded Copper

CONCENTRIC CONDUCTOR: Single Layer of Plain Copper Wires

NEUTRAL CONDUCTOR: Plain Copper Wires covered by a Polymeric Compound

EARTH CONTINUITY CONDUCTOR: Plain Copper wires

OUTER SHEATH: PVC (Polyvinyl Chloride); LSZH (Low Smoke Zero Halogen)

Overview

Application

Used by distribution network operators when providing the final connection to domestic properties. Also suitable for sub main distribution and particularly used within high-rise buildings and street lighting systems.


Standard

BS 7870


Construction

Type I Aluminum Concentric

Concentric and Split Concentric Cable-BS-1.jpg

Conductor : Class 1 solid aluminum conductor

Insulation: XLPE (Cross-Linked Polyethylene)

Concentric Conductor: Single layer of plain copper wires

Sheath: Black PVC (Polyvinyl Chloride)/Orange LSZH(Low Smoke Zero Halogen)


Type II Aluminum Split Concentric

Concentric and Split Concentric Cable-BS-2.jpg

Conductor : Class 1 solid aluminum conductor

Insulation: XLPE (Cross-Linked Polyethylene)

Neutral Conductor: Plain copper wires covered a blue polymeric compound

Earth Continuity Conductor: Plain copper wires

String Separator: Non-hygroscopic separator

Sheath: Black PVC (Polyvinyl Chloride)/Orange LSZH(Low Smoke Zero Halogen


Type III Copper Concentric

Concentric and Split Concentric Cable-BS-3.jpg

Conductor: Class 2 stranded copper conductor

Insulation: XLPE (Cross-Linked Polyethylene)

Concentric Conductor: Single layer of plain copper wires

Sheath: Black PVC (Polyvinyl Chloride)/ LSZH(Low Smoke Zero Halogen


Type IV Copper Split Concentric

Concentric and Split Concentric Cable-BS-4.jpg

Conductor : Class 2 stranded copper conductor

Insulation: XLPE (Cross-Linked Polyethylene)

Neutral Conductor: Plain copper wires covered a blue polymeric compound

Earth Continuity Conductor: Plain copper wires

String Separator: Non-hygroscopic separator

Sheath: Black Black PVC (Polyvinyl Chloride)/LSZH(Low Smoke Zero Halogen)

Parameter

Type I Aluminum Concentric

NO. OF CORESNOMINAL CROSS SECTIONAL AREANOMINAL OVERALL DIAMETERNOMINAL WEIGHTMAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°CMAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°CCURRENT CARRYING CAPACITY Amps
mm2mmkg/kmohms/kmohms/kmIn AirClipped DirectEnclosed in Conduit on a Wall
125133001.21.3127119105
135143900.8680.91158147128
325236501.21.3979084
335258200.8680.91120112103

Type II Aluminum Split Concentric PARAMETER

NO. OF CORESNOMINAL CROSS SECTIONAL AREANOMINAL OVERALL DIAMETERNOMINAL WEIGHTMAXIMUM DC RESISTANCE OF AT 20°C ohms/kmCURRENT CARRYING CAPACITY Amps
mm2mmkg/kmCONDUCTORNeutralEarthIn AirClipped DirectEnclosed in Conduit on a Wall
125154901.21.21.2127119105
135166100.8680.761.2158147128
32523.58301.21.21.2979084
3352610300.8680.761.2120112103


Type III Copper Concentric PARAMETER

NO. OF CORESNOMINAL CROSS SECTIONAL AREANOMINAL OVERALL DIAMETERNOMINAL WEIGHTMAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°CMAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°CCURRENT CARRYING CAPACITY Amps
mm2mmkg/kmohms/kmohms/kmIn AirClipped DirectEnclosed in Conduit on a Wall
148.51404.614.8424137
116123701.151.21009988
125145500.7270.76135130117


Type IV Copper Split Concentric PARAMETER

NO. OF CORESNOMINAL CROSS SECTIONAL AREANOMINAL OVERALL DIAMETERNOMINAL WEIGHTMAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C ohms/kmCURRENT CARRYING CAPACITY Amps
mm2mmkg/kmMetal-Coated WiresPlain WiresIn AirClipped DirectEnclosed in Conduit on a Wall
14101904.84.8424137
116145301.21.21009988
125167101.20.76135130117
33528.519000.760.55129120110


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