Concentric and Split Concentric Cables-BS

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Product Description

Concentric and Split Concentric Cables-BS

Concentric and Split Concentric Cables 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.

Aluminum or Copper Concentric and Split Concentric Cables
Concentric Cables 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.

Concentric Cables  Standard

BS 7870

Concentric Cables Construction

Type I Aluminum Concentric

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

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

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

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)

Concentric Cables  Specifications
Type I Aluminum Concentric

NO. OF CORES

NOMINAL CROSS SECTIONAL AREA

mm2

NOMINAL OVERALL DIAMETER

mm

NOMINAL WEIGHT

kg/km

MAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C

ohms/km

MAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°C

ohms/km

CURRENT CARRYING CAPACITY

Amps

In Air

Clipped Direct

Enclosed in Conduit on a Wall

1

25

13

300

1.2

1.3

127

119

105

1

35

14

390

0.868

0.91

158

147

128

3

25

23

650

1.2

1.3

97

90

84

3

35

25

820

0.868

0.91

120

112

103

Conductor Operating Temperature: 90°C Ambient Temperature: 30°C

Type II Aluminum Split Concentric PARAMETER

NO. OF CORES

NOMINAL CROSS SECTIONAL AREA

mm2

NOMINAL OVERALL DIAMETER

mm

NOMINAL WEIGHT

kg/km

MAXIMUM DC RESISTANCE OF AT 20°C

ohms/km

CURRENT CARRYING CAPACITY

Amps

CONDUCTOR

Neutral

Earth

In Air

Clipped Direct

Enclosed in Conduit on a Wall

1

25 15 490 1.2 1.2 1.2

127

119

105

1

35 16 610 0.868 0.76 1.2

158

147

128

3

25 23.5 830 1.2 1.2 1.2

97

90

84

3

35 26 1030 0.868 0.76 1.2

120

112

103

Conductor Operating Temperature: 90°C Ambient Temperature: 30°C

Type III Copper Concentric PARAMETER

NO. OF CORES

NOMINAL CROSS SECTIONAL AREA

mm2

NOMINAL OVERALL DIAMETER

mm

NOMINAL WEIGHT

kg/km

MAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C

ohms/km

MAXIMUM DC RESISTANCE OF CONCENTRIC CONDUCTOR AT 20°C

ohms/km

CURRENT CARRYING CAPACITY

Amps

In Air

Clipped Direct

Enclosed in Conduit on a Wall

1

4

8.5

140

4.61

4.8

42

41

37

1

16

12

370

1.15

1.2

100

99

88

1

25

14

550

0.727

0.76

135

130

117

Conductor Operating Temperature: 90°C Ambient Temperature: 30°C

Type IV Copper Split Concentric PARAMETER

NO. OF CORES

NOMINAL CROSS SECTIONAL AREA

mm2

NOMINAL OVERALL DIAMETER

mm

NOMINAL WEIGHT

kg/km

MAXIMUM DC RESISTANCE OF CONDUCTOR AT 20°C

ohms/km

CURRENT CARRYING CAPACITY

Amps

Metal-Coated Wires

Plain Wires

In Air

Clipped Direct

Enclosed in Conduit on a Wall

1

4

10

190

4.8

4.8

42

41

37

1

16

14

530

1.2

1.2

100

99

88

1

25

16

710

1.2

0.76

135

130

117

3

35

28.5

1900

0.76

0.55

129

120

110

Conductor Operating Temperature: 90°C Ambient Temperature: 30°C

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Why choose us?

Professional

50+ years of experience Trusted manufacturing expertise since 1969

Professional

50+ years of experience Trusted manufacturing expertise since 1969
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Fast Delivery

Fast global delivery Efficient manufacturing and worldwide shipping

Fast Delivery

Fast global delivery Efficient manufacturing and worldwide shipping
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standards

International standards IEC, ASTM, BS, CSA and other global standards

standards

International standards IEC, ASTM, BS, CSA and other global standards
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High Quality

Strict quality control Comprehensive testing throughout productio

High Quality

Strict quality control Comprehensive testing throughout productio
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FAQs

Who are we?

A Cable Manufacturer Built for Project Supply
Part of Henan Qingzhou Group — specialised in the research, production, sale and service of electrical wire & cable, with two production parks totalling 380,000 m² at the foot of Longevity Mount, Gongyi City, Henan Province, China.

With the professional Qingzhou team we manufacture not only to Chinese standards but strictly to foreign national and international standards including Europe, U.S., Australia and IEC — and we supply one-stop solution service for your power project.

The company manufactures a wide range of electrical cables and conductors, including AAC, AAAC, ACSR bare conductors, low voltage ABC cables, medium voltage power cables, ADSS fiber optic cables, OPGW cables and cable accessories.

Qingzhou cable company has passed ISO9001 quality management system, ISO14001 environmental management system, ISO45001\German TUV certification\CE certification, the company is a finalist for the state power grid and a national”High-tech Enterprise.

Accepted Delivery Terms: FOB,CFR,EXW,FAS,DDP; Accepted Payment Currency:USD,EUR,CAD,AUD,GBP,CNY; Accepted Payment Type: T/T,L/C,MoneyGram,Credit Card,Western Union,Cash; Language Spoken:English,Chinese,Japanese,German,Russian

Yes, we have production line for packing box and cartons. we can make it according to your special requirement. If you are interested in our goods , please kindly send an inquiry to us !

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