L. T. CONTROL CABLES
TECHNICAL CURRENT RATINGS
TABLE II (2.5 sq. mm.)
Solid Copper Conductor, PVC Insulated, PVC Sheathed, Unarmoured (YY)/ Armoured (YWY
and YFY) Multi Core Control cables - 650/ 1100 Volts.
No. of Cores
|
Nom. Thickness of PVC Insulation (mm)
|
Minimum thickness of Inner Sheath (mm)
|
Unarmoured
|
Armoured
|
Max. DC conductor Resistance at 20o C (ohm/km)
|
AC Current Ratings
|
Approx. Overall Dia. (mm)
|
Approx. Net Weight (kg/ km)
|
Nom steel Armour (mm)
|
Approx. Overall Dia. (mm)
|
Approx. Net Weight (kg/ km)
|
Ground Amps
|
Air Amps
|
W
|
F
|
2
|
0.9
|
0.3
|
11.75
|
180
|
1.4
|
|
14.8
|
452
|
7.41
|
32
|
27
|
3
|
0.9
|
0.3
|
12.35
|
215
|
1.4
|
15.5
|
499
|
7.41
|
27
|
24
|
4
|
0.9
|
0.3
|
13.30
|
260
|
1.4
|
16.4
|
571
|
7.41
|
27
|
24
|
5
|
0.9
|
0.3
|
14.5
|
305
|
1.4
|
17.4
|
690
|
7.41
|
23
|
19
|
6
|
0.9
|
0.3
|
15.50
|
360
|
1.4
|
18.5
|
732
|
7.41
|
21
|
18
|
7
|
0.9
|
0.3
|
15.50
|
380
|
1.4
|
18.5
|
752
|
7.41
|
20
|
17
|
8
|
0.9
|
0.3
|
16.75
|
432
|
|
4x0.8
|
19.55
|
829
|
7.41
|
19
|
16
|
9
|
0.9
|
0.3
|
18.50
|
490
|
4x0.8
|
20.2
|
850
|
7.41
|
19
|
16
|
10
|
0.9
|
0.3
|
19.20
|
530
|
4x0.8
|
21.9
|
876
|
7.41
|
18
|
15
|
12
|
0.9
|
0.3
|
20.30
|
610
|
4x0.8
|
22.3
|
952
|
7.41
|
17
|
14
|
14
|
0.9
|
0.3
|
21.20
|
690
|
4x0.8
|
24.0
|
1061
|
7.41
|
16
|
13
|
16
|
0.9
|
0.3
|
22.30
|
770
|
4x0.8
|
25.0
|
1172
|
7.41
|
15
|
13
|
19
|
0.9
|
0.3
|
23.35
|
875
|
4x0.8
|
26.0
|
1283
|
7.41
|
14
|
12
|
24
|
0.9
|
0.3
|
26.70
|
1090
|
4x0.8
|
30.0
|
1556
|
7.41
|
13
|
11
|
27
|
0.9
|
0.3
|
27.50
|
1190
|
4x0.8
|
30.5
|
1680
|
7.41
|
12
|
10
|
30
|
0.9
|
0.3
|
28.50
|
1310
|
4x0.8
|
31.5
|
1857
|
7.41
|
12
|
10
|
37
|
0.9
|
0.3
|
31.30
|
1610
|
4x0.8
|
34.0
|
2138
|
7.41
|
11
|
9
|
44
|
0.9
|
0.3
|
34.0
|
1960
|
4x0.8
|
36.5
|
2500
|
7.41
|
10
|
9
|
52
|
0.9
|
0.3
|
37.0
|
2300
|
4x0.8
|
38.5
|
2900
|
7.41
|
10
|
8
|
61
|
0.9
|
0.3
|
39.5
|
2600
|
4x0.8
|
40.0
|
3300
|
7.41
|
9
|
8
|
* Cables with stranded conductor can be made on request.
|