FLEXIBLE CABLE (Multi Core)
Cable Design data
No. of cores x
Nominal Cross
section |
Nominal
Insulation
Thickness |
Nominal Sheath Thickness |
Nominal
Cable
Dimension
Φ / W x H |
cores x Sq.mm |
mm |
mm |
mm |
Single core sheathed cable |
1 x 0.5 | 0.6 | 0.9 | 4.0 |
1 x 0.75 | 0.6 | 0.9 | 4.2 |
1 x 1.0 | 0.6 | 0.9 | 4.7 |
1 x 1.5 | 0.7 | 0.9 | 4.9 |
1 x 2.5 | 0.8 | 1.0 | 5.6 |
1 x 4.0 | 0.8 | 1.0 | 6.2 |
1 x 6.0 | 0.8 | 1.0 | 6.9 |
1 x 10 | 1.0 | 1.1 | 8.4 |
1 x 16 | 1.0 | 1.1 | 9.5 |
1 x 25 | 1.2 | 1.3 | 11.7 |
1 x 35 | 1.2 | 1.3 | 12.9 |
1 x 50 | 1.4 | 1.5 | 15.6 |
Twin sheathed cable |
2 x 0.5 | 0.6 | 0.9 | 6.0 x 4.0 |
2 x 0.75 | 0.6 | 0.9 | 6.4 x 4.1 |
2 x 1 | 0.6 | 0.9 | 6.7 x 4.3 |
Round sheathed cable |
2 x 0.5 | 0.6 | 0.9 | 6.1 |
3 x 0.5 | 0.6 | 0.9 | 6.4 |
4 x 0.5 | 0.6 | 0.9 | 6.9 |
Cable Design Data
No. of cores x
Nominal Cross
section |
Nominal
Insulation
Thickness |
Nominal Sheath Thickness |
Approx
Overall
Diameter |
cores x Sq.mm |
mm |
mm |
mm |
Round sheathed cable |
5 x 0.5 |
0.6 |
0.9 |
7.5 |
2 x 0.75 |
0.6 |
0.9 |
6.5 |
3 x 0.75 |
6.8 |
4 x 0.75 |
7.4 |
5 x 0.75 |
9.0 |
2 x 1 |
0.6 |
0.9 |
6.7 |
3 x 1 |
7.1 |
4 x 1 |
7.7 |
5 x 1 |
10.5 |
2 x 1.5 |
0.7 |
0.9 |
7.7 |
3 x 1.5 |
0.9 |
8.2 |
4 x 1.5 |
1.0 |
9.1 |
5 x 1.5 |
1.0 |
11.1 |
2 x 2.5 |
0.8 |
1.0 |
8.9 |
3 x 2.5 |
1.0 |
9.5 |
4 x 2.5 |
1.0 |
10.3 |
5 x 2.5 |
1.0 |
12.8 |
2 x 4 |
0.8 |
1.0 |
10.2 |
3 x 4 |
1.0 |
10.9 |
4 x 4 |
1.0 |
11.9 |
5 x 5 |
1.1 |
13.2 |
Cable Design Data
No. of cores x
Nominal Cross
section |
Nominal
Insulation
Thickness |
Nominal Sheath Thickness |
Approx
Overall
Diameter |
cores x sq.mm |
mm |
mm |
mm |
Round sheathed cable |
2 x 6 |
0.8 |
1.1 |
11.8 |
3 x 6 |
1.1 |
12.7 |
4 x 6 |
1.2 |
14.1 |
2 x 10 |
1.0 |
1.2 |
14.8 |
3 x 10 |
1.2 |
15.8 |
4 x 10 |
1.3 |
17.6 |
2 x 16 |
1.0 |
1.3 |
17.0 |
3 x 16 |
1.3 |
18.0 |
4 x 16 |
1.4 |
20.1 |
2 x 25 |
1.2 |
1.4 |
20.5 |
3 x 25 |
1.5 |
22.1 |
4 x 25 |
1.6 |
24.6 |
2 x 35 |
1.2 |
1.5 |
23.2 |
3 x 35 |
1.6 |
24.9 |
4 x 35 |
1.7 |
27.7 |
2 x 50 |
1.4 |
1.6 |
26.6 |
3 x 50 |
1.7 |
29.1 |
4 x 50 |
1.8 |
32.5 |
Electrical Parameters
Cross section |
2 Core & 3 Core Cable for single Phase AC / DC |
3 Core & 4 Core Cable for Three Phase AC / DC |
Max. Current
Capacity in Air |
Max. Current
Capacity in Duct. |
Voltage Drop |
Max. Current
Capacity in Air |
Max. Current
Capacity in Duct. |
Voltage Drop |
mm² |
[A] |
[A] |
[mV /A / m] |
[A] |
[A] |
[mV /A / m] |
0.5 |
5 |
4 |
83 |
4 |
3 |
72 |
0.75 |
8 |
7 |
56 |
7 |
6 |
48 |
1.0 |
13 |
12 |
40 |
12 |
11 |
35 |
1.5 |
17 |
16 |
27 |
16 |
15 |
23 |
2.5 |
24 |
22 |
16 |
22 |
20 |
14 |
4.0 |
30 |
27 |
10 |
28 |
25 |
8.8 |
6.0 |
38 |
35 |
6.8 |
36 |
32 |
5.9 |
10.0 |
52 |
47 |
4 |
48 |
44 |
3.5 |
16.0 |
70 |
66 |
2.6 |
64 |
60 |
2.2 |
25.0 |
88 |
82 |
1.6 |
80 |
72 |
1.4 |
35.0 |
112 |
99 |
1.2 |
100 |
91 |
1.0 |
50.0 |
146 |
135 |
0.97 |
130 |
121 |
0.84 |
Derating factors : multiply the current capacity of the cable by factors given below for various ambient temprature
Ambient temperature °C |
30° |
40° |
50° |
60° |
70° |
Derating Factor |
1.09 |
1.0 |
0.88 |
0.82 |
0.72 |
Color Codes
Type |
Core colors |
Single core sheathed |
Red, Yellow, Blue, Black, Grey |
Twin flat sheathed |
Red, Black |
Twin round sheathed |
Red, Black |
Three core round sheayhed |
Red, Black & Green |
Four core round sheathed |
Red, Yellow, Blue & Green |