Aluminum or Copper Concentric and Split 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.
Standard
BS 7870
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
PARAMETER
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
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 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
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 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
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
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
