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LT Power Cables, Wires & Cables
YY/YFY/YWY-2.5 SQ. MM
Cable Construction
1.1 kV (A.C) & 1.5 kV (D.C ) to Earth
2.5 Sq. mm copper conductor, PVC insulated unarmoured & galvanised steel strip / wire armoured control cables as per IS 1554 Part – 1.
Conductor : CU conductor solid as per Cl .1 IS 8130 or stranded as per Cl. 2 IS 8130
Insulation Material : PVC Type – A as per IS 5831/ Option : HR PVC (Type – C) as per IS 5831. Nominal thickness of insulation is 0.9 mm
Core Colours : Up to 5 cores by colour coding & more than 5 cores number printing on core as per IS 1554 (P – 1)
Inner Sheath : PVC / PVC tape as per IS 1554 (P – 1)
Armouring : Single armouring of galvanised steel strip / wire
Outer Sheath : PVC Type ST – 1 as per IS 5831 (Option : PVC Type ST – 2 as per IS 5831, FR Type / FRLS Type)
Cable Color : Black (Options : Any other color as per requirement)
Cable Design Parameters
While ordering, in addition to the part number the following details shall also be advised:
Class of conductor – Cl. 1 or 2.
Insulation Type – PVC Type A / C.
Sheath Type – PVC Type ST – 1 / FR / FRLS; PVC Type ST – 2 / FR / FRLS.
| PartNumber | No.of Cores | Minimum Thickness of Inner Sheath (mm) | Armouring with Flat AL Strip (AYFaY/YFaY) | Armouring with Round Wire (AYWaY/YWaY) | Armoured With Round Wire (YWY) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nominal Thick. of Arm. Strip (mm) | Approx. Overall Dia. (mm) | Approx. Net Wt.of Cable(kg/km) | Nominal Thickness of Stripfor Arm.(mm) | Minimum Thick. of Out. Sheath (mm) | Approx. Overall Dia. (mm) | Approx Net Wtof Cable (kg/km) | Nominal Thickness of Stripfor Arm. (mm) | Minimum Thickness of Outer Sheath (mm) | Approx. Overall Dia. (mm) | Approx. Net Wt. (kg/km) | |||
| 111200201205 | 2 | 0.3 | 1.8 | 13 | 220 | N/A | N/A | N/A | N/A | 1.4 | 1.24 | 14 | 440 |
| 111200301205 | 3 | 0.3 | 1.8 | 14 | 260 | N/A | N/A | N/A | N/A | 1.4 | 1.24 | 15 | 480 |
| 111200401205 | 4 | 0.3 | 1.8 | 15 | 310 | N/A | N/A | N/A | N/A | 1.4 | 1.24 | 16 | 560 |
| 111200501205 | 5 | 0.3 | 1.8 | 16 | 340 | N/A | N/A | N/A | N/A | 1.4 | 1.24 | 17 | 600 |
| 111200601205 | 6 | 0.3 | 1.8 | 17 | 390 | N/A | N/A | N/A | N/A | 1.4 | 1.24 | 19 | 685 |
| 111200701205 | 7 | 0.3 | 1.8 | 17 | 424 | N/A | N/A | N/A | N/A | 1.6 | 1.24 | 19 | 720 |
| 111201001205 | 10 | 0.3 | 1.8 | 20 | 570 | 0.8 | 1.40 | 21 | 850 | 1.6 | 1.40 | 23 | 1040 |
| 111201201205 | 12 | 0.3 | 2.0 | 21 | 670 | 0.8 | 1.40 | 22 | 950 | 1.6 | 1.40 | 24 | 1130 |
| 111201401205 | 14 | 0.3 | 2.0 | 22 | 750 | 0.8 | 1.40 | 23 | 1050 | 1.6 | 1.40 | 25 | 1080 |
| 111201601205 | 16 | 0.3 | 2.0 | 24 | 840 | 0.8 | 1.40 | 24 | 1120 | 1.6 | 1.40 | 26 | 1180 |
| 111201901205 | 19 | 0.3 | 2.0 | 25 | 950 | 0.8 | 1.40 | 25 | 1250 | 1.6 | 1.40 | 27 | 1340 |
| 111202401205 | 24 | 0.3 | 2.0 | 28 | 1200 | 0.8 | 1.40 | 29 | 1550 | 1.6 | 1.56 | 31 | 1680 |
| 111202701205 | 27 | 0.3 | 2.0 | 29 | 1300 | 0.8 | 1.40 | 30 | 1650 | 1.6 | 1.56 | 32 | 1840 |
| 111203001205 | 30 | 0.3 | 2.0 | 30 | 1400 | 0.8 | 1.56 | 31 | 1800 | 1.6 | 1.56 | 33 | 1985 |
| 111203701205 | 37 | 0.4 | 2.2 | 33 | 1700 | 0.8 | 1.56 | 34 | 2100 | 2.0 | 1.56 | 36 | 2580 |
| 111204001205 | 40 | 0.4 | 2.2 | 34 | 1850 | 0.8 | 1.56 | 35 | 2300 | 2.0 | 1.56 | 37 | 2740 |
| 111204401205 | 44 | 0.4 | 2.2 | 36 | 2000 | 0.8 | 1.56 | 37 | 2500 | 2.0 | 1.56 | 40 | 2980 |
| 111205201205 | 52 | 0.4 | 2.2 | 38 | 2350 | 0.8 | 1.56 | 39 | 2850 | 2.0 | 1.72 | 42 | 3380 |
| 111206101205 | 61 | 0.4 | 2.2 | 40 | 2700 | 0.8 | 1.56 | 41 | 3250 | 2.0 | 1.72 | 44 | 3780 |
Electrical Parameters
| Part Number | No.of Cores | Max. DC Conductor Resistance at20°C (Ω/km) | Approx. AC Conductor Resistance (Ω/km) | Reactance of Cable at 50 Hz (Ω/km) | Approx. Capacitance of Cable (microF/KM) | Normal Current Rating (Amps) | Short Circuit Current Ratingfor 1sec. Duration | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| at 70°C | at 85°C | With General Insulation | With H.R. Insulation | With Gen. Purpose Insulation | With Heat Resistance Insulation | |||||||||
| Ground | Duct | Air | Ground | Duct | Air | |||||||||
| 111200201205 | 2 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 32 | 27 | 27 | 38 | 32 | 32 | 0.26 | 0.288 |
| 111200301205 | 3 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 27 | 24 | 24 | 30 | 28 | 28 | 0.26 | 0.288 |
| 111200401205 | 4 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 27 | 24 | 24 | 30 | 28 | 28 | 0.26 | 0.288 |
| 111200501205 | 5 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 27 | 24 | 24 | 30 | 28 | 28 | 0.26 | 0.288 |
| 111200601205 | 6 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 21 | 18 | 18 | 24 | 21 | 21 | 0.26 | 0.288 |
| 111200701205 | 7 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 20 | 17 | 17 | 22 | 20 | 20 | 0.26 | 0.288 |
| 111201001205 | 10 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 18 | 15 | 15 | 20 | 16 | 16 | 0.26 | 0.288 |
| 111201201205 | 12 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 17 | 14 | 14 | 19 | 16 | 16 | 0.26 | 0.288 |
| 111201401205 | 14 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 16 | 13 | 13 | 18 | 15 | 15 | 0.26 | 0.288 |
| 111201601205 | 16 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 15 | 13 | 13 | 17 | 15 | 15 | 0.26 | 0.288 |
| 111201901205 | 19 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 14 | 12 | 12 | 16 | 14 | 14 | 0.26 | 0.288 |
| 111202401205 | 24 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 13 | 11 | 11 | 14 | 13 | 13 | 0.26 | 0.288 |
| 111202701205 | 27 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 12 | 10 | 10 | 13 | 12 | 12 | 0.26 | 0.288 |
| 111203001205 | 30 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 12 | 10 | 10 | 13 | 12 | 12 | 0.26 | 0.288 |
| 111203701205 | 37 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 11 | 9 | 9 | 12 | 10 | 10 | 0.26 | 0.288 |
| 111204001205 | 40 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 11 | 9 | 9 | 12 | 10 | 10 | 0.26 | 0.288 |
| 111204401205 | 44 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 10 | 9 | 9 | 11 | 10 | 10 | 0.26 | 0.288 |
| 111205201205 | 52 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 9 | 8 | 8 | 10 | 10 | 10 | 0.26 | 0.288 |
| 111206101205 | 61 | 7.41 | 8.89 | 9.34 | 0.107 | 0.22 | 8 | 8 | 8 | 9 | 9 | 9 | 0.26 | 0.288 |
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