3.3Kv to 33Kv Grade - (BASEC/KEMA/CPRl/ERDA tested) three core Copper / Aluminium Conductor,Conductor screened with extruded semi-conducting compound, XLPE Insulated, insulation screened with semiconducting compound in combination with copper tape (0.3 KA for One Sec.), PVC ST2/FR/FRLSH/LSZH Inner Sheathed armoured/ GI Steel (Aluminium in case of single core) FLAT/Round Armoured and Overall PVC ST2/ FR/ FRLSH/ LSZH sheathed cable conforming to IS:7098/ll/85, IEC 60502-2/ BS 7835 From sizes 35 sq.mm to 1200 Sq.mm, above cables can be supplied with lead sheath whenever required.
3.3kv to 33kv grade-(BASEC/KEMA/CPRl/ERDA Tested) Single core copper /Aluminium Conductor, Conductor screened with extruded semi-conducting compound (11KV E & above), XLPE Insulated, Insulation screened with semiconducting compound (11KV E & above) in combination with copper tape , Unarmoured/ Aluminium Flat Strip / Round Wire Armoured and verall PVC ST2/ FR/ FRLSH/ LSZH sheathed cable conforming to IS:7098/ll/85, IEC 60502-2/ BS 7835 From sizes 35 sq.mm to 1200 Sq.mm above cables can be supplied with lead sheath whenever required.
1100 Volts Grade- (BASEC/KEMA/CPRI/ERDA tested) Control Copper Cables, Solid/Stranded conductor, PVC/XLPE/HR PVC Insulated, Cores laid up, PVC/ HR PVC/ FR/ FRLSH/ LSZH Taped/Extruded Inner Sheathed, Unarmoured/ GI Steel (Round Wire/Flat Strip) Armoured, Extruded PVC/ HR PVC/ FR/ FRLSH/ LSZH Outer Sheathed, cables from 2 to 100 crore in 1.5 and 2.5.sq.mm as per IS 1554(Part1) / IS 7098(Part1) 1998 and Generally confirming to IEC60502-1/BS 5467/BS 6724.
Characteristics of Instrumentation Cables
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|||||||
|
|
0.5mm2
|
0.75mm2
|
1.0mm2
|
1.5mm2
|
2.5mm2
|
Unit
|
Mutual Capacitance Core to Core (PVC insulation) |
<
|
250
|
250
|
250
|
250
|
250
|
pF / m
|
Mutual Capacitance Core to Core (Polyethylene XLEP insulation) |
<
|
115
|
115
|
115
|
115
|
115
|
pF / m
|
L/R Ratio |
|
25
|
25
|
25
|
40
|
60
|
µH / Ohm
|
Conductor Resistance (D.C.Resistance at 20°C) |
<
|
39.7
|
26.5
|
18.4
|
12.3
|
7.41
|
Ohms - Km
|
Insulation Resistance PVC |
>
|
100
|
100
|
100
|
100
|
100
|
M Ohms - Km
|
Insulation Resistance Polyethlene / XLPE |
>
|
5000
|
5000
|
5000
|
5000
|
5000
|
M Ohms - Km
|
Core - Core / Screen / Armour Insulation Resistance at 500 V (PVC) |
>
|
25
|
25
|
25
|
25
|
25
|
M Ohms - Km
|
Screen to Screen Insulation Resistance at 500 V |
>
|
1
|
1
|
1
|
1
|
1
|
M Ohms - Km
|
Thermocouple cables are used to sense process temperature and are connected to the controllers for indication & control.