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Specifications
- Conductor Material : Stranded / Solid Electrolytic Grade Copper/ Aluminium wires having 99.96% purity
- Insulation: PVC ‘A’ 70 deg C / HR PVC ‘C’ 85 deg C/ XLPE -90 deg C
- Laying : Cores are laid up together
- Inner Sheath: Extruded type / Taped type /PVC-Type ST-1- 70 deg C/ HR PVC-Type- ST-2 90 deg C with optional feature of FRLS properties
- Armouring: Galvanized steel round wire / Flat strip
- Outer Sheath: Extruded type /PVC-Type ST-1- 70 deg C/ HR PVC-Type- ST-2 85 deg C with optional feature of FRLS properties
- Voltage grade: 1100 volts
- Applicable standards: IS : 7098 (Part-1) & IS 1554 (Part-1).
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MEM COPPER CABLE
M.E.M. Industries offers a wide range of LT PVC insulated power and control cables with copper conductors. The insulation of normal PVC or HR PVC can be offered. Special purpose FRLS compound for inner as well as outer sheath can be offered on request. Following are the standard constructional features of PVC insulated heavy duty cables as per IS: 1554(Part 1)
CONDUCTOR
The conductor is made of electrolytic grade high conductivity annealed copper as per IS:8130-1984
INSULATION
The insulation is suitably compounded PVC applied to the conductors by the extrusion process. For normal application PVC insulation type “A” -70 deg C and for HR PVC insulation type ‘C’ 85 deg C as per IS: 5831-1984
LAYING UP
All multi core cables are laid up with thermoplastic filters in the interstice whenever applicable to make the cable circular.
INNER SHEATH
The laid up cores are surrounded by an inner sheath of any of the following types.
- Extructed PVC
- Wrapping of plastic tapes.
Single cores cables usually do not have any inner sheath. However the same can be provided as an extra features.
ARMOURING
Depending upon the application these cables can be armoured or unarmoured . When armoured is describe for single core cable for using for A.C. System the cable should be armoured with non-magnetic material. If the single single cables are to be used in D.C. system, the cables can be armoured with steel wire/strip.
The armouring is applied over the core insulation in case of single-core cables and over the inner sheath in case of multi-core cables .When the calculated nominal diameter over the inner sheath is not more than 13mm ,the amount consists of galvanized steel round wire. In other case, it can be either galvanized round steel wire or galvanized steel strip. Wires and strips for armouring conform to IS: 3975.
The direction of lay of the armour is always opposite to that of the outer layer of cores.
OUTER SHEATH
The outer sheath is of suitable grade of PVC compound applied by extrusion method .The colour of the outer sheath is generally black.Outer in a colour other than black can be supplied for special applications.
OUR MANUFACTURE RANGE
- Single –core:1.5sq.mm to 1000sq.mm
- Multi-core:1.5sq.mm to 630sq.mm
- Control cables: upto 61 core (1.5/ 2.5 sq.mm)
In addition to the above PVC insulated cables as per international standards can also be manufactured.
COPPER CONDUCTOR CONTROL CABLES (UNARMOURED)
PVC INSULATED AND PVC SHEATHED UNARMOURED MULTICORE/1100 VOLTS GRADE COPPER CONDUCTOR CABLES (1.5sq.mm.and 2.5sq.mm) to IS:1554 (PT I).
| No. of cores and cross sectional area | Thickness of PVC insulation (nom) | Thickness of PVC inner sheath(min) | Thickness of PVC outer sheath(nom) | Approx OD | Aprrox. net wt.of cable | Normal Length | Max. D.C resistance at 20°c | Apprpox AC resistance at operating temp 70°c | Approx resistance at 50Hz | Approx capacitance for two adjacent cores | Current rating | ||
| Extruded | wrapped | ||||||||||||
| No.xmm2 | mm. | mm. | mm. | mm. | mm. | Kg/km | Mtr | Kg/km | Ohm/km | Oh/km | Uf/km | Amps. | Amps. |
| 2×1.5 | 0.8 | 0.3 | – | 1.8 | 11.5 | 163 | 500/1000 | 12.2 | 14.5 | 0.214 | 0.1 | 23 | 20 |
| 3×1.5 | 0.8 | 0.3 | – | 1.8 | 12.0 | 185 | do | 12.2 | 14.5 | 0.214 | 0.1 | 21 | 17 |
| 4×1.5 | 0.8 | 0.3 | – | 1.8 | 13.0 | 218 | do | 12.2 | 14.5 | 0.214 | 0.1 | 21 | 17 |
| 5×1.5 | 0.8 | 0.3 | – | 1.8 | 13.5 | 253 | do | 12.2 | 14.5 | 0.214 | 0.1 | 16 | 14 |
| 6×1.5 | 0.8 | 0.3 | – | 1.8 | 14.5 | 292 | do | 12.2 | 14.5 | 0.214 | 0.1 | 15 | 13 |
| 7×1.5 | 0.8 | 0.3 | – | 1.8 | 14.5 | 305 | do | 12.2 | 14.5 | 0.214 | 0.1 | 14 | 13 |
| 10×1.5 | 0.8 | 0.3 | – | 1.8 | 18.0 | 420 | do | 12.2 | 14.5 | 0.214 | 0.1 | 13 | 11 |
| 12×1.5 | 0.8 | 0.3 | – | 1.8 | 18.5 | 461 | do | 12.2 | 14.5 | 0.214 | 0.1 | 12 | 10 |
| 14×1.5 | 0.8 | 0.3 | 0.3 | 1.8 | 18.5 | 485 | do | 12.2 | 14.5 | 0.214 | 0.1 | 11 | 10 |
| 16×1.5 | 0.8 | – | 0.3 | 1.8 | 19.5 | 506 | do | 12.2 | 14.5 | 0.214 | 0.1 | 11 | 9 |
| 19×1.5 | 0.8 | – | 0.3 | 2.0 | 21.0 | 601 | do | 12.2 | 14.5 | 0.214 | 0.1 | 10 | 9 |
| 24×1.5 | 0.8 | – | 0.3 | 2.0 | 24.0 | 738 | do | 12.2 | 14.5 | 0.214 | 0.1 | 9 | 8 |
| 27×1.5 | 0.8 | 0.3 | 2.0 | 24.5 | 810 | do | 12.2 | 14.5 | 0.214 | 0.1 | 9 | 8 | |
| 30×1.5 | 0.8 | 0.3 | 2.0 | 25.0 | 878 | do | 12.2 | 14.5 | 0.214 | 0.1 | 9 | 7 | |
| 37×1.5 | 0.8 | 0.3 | 2.0 | 27.0 | 1040 | do | 12.2 | 14.5 | 0.214 | 0.1 | 8 | 7 | |
| 2×2.5 | 0.9 | 0.3 | – | 1.8 | 13.0 | 213 | do | 7.4 | 8.71 | 0.204 | 0.1 | 32 | 27 |
| 3×2.5 | 0.9 | 0.3 | – | 1.8 | 13.0 | 248 | do | 7.4 | 8.71 | 0.204 | 0.1 | 27 | 24 |
| 4×2.5 | 0.9 | 0.3 | – | 1.8 | 14.5 | 289 | do | 7.4 | 8.71 | 0.204 | 0.1 | 27 | 24 |
| 5×2.5 | 0.9 | 0.3 | – | 1.8 | 15.5 | 595 | do | 7.4 | 8.71 | 0.204 | 0.1 | 18 | 15 |
| 6×2.5 | 0.9 | 0.3 | – | 1.8 | 16.5 | 605 | do | 7.4 | 8.71 | 0.204 | 0.1 | 18 | 15 |
| 7×2.5 | 0.9 | 0.3 | – | 1.8 | 16.5 | 610 | do | 7.4 | 8.71 | 0.204 | 0.1 | 18 | 15 |
| 10×2.5 | 0.9 | 0.3 | – | 1.8 | 21.0 | 615 | do | 7.4 | 8.71 | 0.204 | 0.1 | 18 | 15 |
| 12×2.5 | 0.9 | 0.3 | – | 1.8 | 21.5 | 623 | do | 7.4 | 8.71 | 0.204 | 0.1 | 17 | 14 |
| 14×2.5 | 0.9 | – | – | 0.3 | 21.5 | 673 | do | 7.4 | 8.71 | 0.204 | 0.1 | 16 | 13 |
| 16×2.5 | 0.9 | – | – | 0.3 | 23.0 | 744 | do | 7.4 | 8.71 | 0.204 | 0.1 | 15 | 13 |
| 19×2.5 | 0.9 | – | – | 0.3 | 24.0 | 857 | do | 7.4 | 8.71 | 0.204 | 0.1 | 14 | 12 |
| 24×2.5 | 0.9 | – | – | 0.3 | 27.5 | 890 | do | 7.4 | 8.71 | 0.204 | 0.1 | 13 | 11 |
| 27×2.5 | 0.9 | – | – | 0.3 | 28.3 | 1170 | do | 7.4 | 8.71 | 0.204 | 0.1 | 12 | 10 |
| 30×2.5 | 0.9 | – | – | 0.3 | 29.5 | 1279 | do | 7.4 | 8.71 | 0.204 | 0.1 | 12 | 10 |
| 37×2.5 | 0.9 | – | – | 0.3 | 32.0 | 1577 | do | 7.4 | 8.71 | 0.204 | 0.1 | 11 | 9 |
Copper conductor Control Cables (Armoured)
PVC insulated and PVC Sheathed Armoured multicore650/1100 V grade copper control cables (1.5 sq.mm & 2.5 sq.mm)
Copper conductor Control Cables (Armoured)
TABLE-2
PVC insulated and PVC sheathed armoured Multicore/1100 volts Grade
Copper Conductor control cables (1.5 sq.mm & 2.5 sq.mm)to Is : )554(P+I)
| Type | No. of cross & sectional area | Thickness of PVC insulation (nom) | Thickness of inner sheath (min) | Armouring | Thickness of PVC outer sheath (Nom) | Approx | Approx net wt. of cable | Normal packing length | MAX.D.C Resistance at 20 deg C | Approx resistance at operating temp-70 deg C | Approx reactance at 50hz | Approx capaci tance for adja cent corees | Current Rating | |||
| Extruded | wrapped | Flat strip | Round wire dia | In ground | In air | |||||||||||
| No. x mm | mm. | mm. | mm. | mm. | mm. | mm. | mm. | Kg/km | Mtrs. | Ohms/km | Ohms/km | Ohms/km | Uf/km | Amps. | Amps. | |
| 2×1.5 | 0.8 | 0.3 | 1.40 | 1.24 | 15.0 | 430 | 500/1000 | 12.1 | 14.5 | 0.126 | 0.14 | 22 | 18 | |||
| 3×1.5 | 0.8 | 0.3 | – | – | 1.40 | 1.24 | 15.5 | 448 | do | 12.1 | 14.5 | 0.239 | 0.1 | 21 | 17 | |
| YWY | ||||||||||||||||
| 5×1.5 | 0.8 | 0.3 | – | – | 1.40 | 1.24 | 17.0 | 560 | do | 12.1 | 14.5 | 0.239 | 0.1 | 16 | 14 | |
| 6×1.5 | 0.8 | 0.3 | – | – | 1.40 | 1.24 | 18.0 | 600 | do | 12.1 | 14.5 | 0.239 | 0.1 | 15 | 13 | |
| 7×1.5 | 0.8 | 0.3 | – | – | 1.40 | 1.24 | 18.0 | 625 | do | 12.1 | 14.5 | 0.239 | 0.1 | 14 | 13 | |
| 10×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 20.0 | 690 | 500 | 12.1 | 14.5 | 0.239 | 0.1 | 13 | 11 | |
| 10×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 20.0 | 716 | do | 12.1 | 14.5 | 0.239 | 0.1 | 12 | 10 | |
| 14×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 20.5 | 730 | do | 12.1 | 14.5 | 0.239 | 0.1 | 11 | 10 | |
| YFY | 16×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 21.5 | 780 | do | 12.1 | 14.5 | 0.239 | 0.1 | 11 | 9 |
| 19×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 22.5 | 870 | do | 12.1 | 14.5 | 0.239 | 0.1 | 10 | 9 | |
| 24×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 25.5 | 1060 | do | 12.1 | 14.5 | 0.239 | 0.1 | 9 | 8 | |
| 27×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 26.0 | 1150 | do | 12.1 | 14.5 | 0.239 | 0.1 | 9 | 8 | |
| 30×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 27.0 | 1240 | do | 12.1 | 14.5 | 0.239 | 0.1 | 9 | 7 | |
| 37×1.5 | 0.8 | – | 0.3 | 4.0×0.8 | – | 2.0 | 29.0 | 1410 | do | 12.1 | 14.5 | 0.239 | 0.1 | 8 | 7 | |
| 2×2.5 | 0.9 | 0.3᾽ | – | – | 1.40 | 1.8 | 16.0 | 486 | do | 7.41 | 8.71 | 0.204 | 0.15 | 32 | 27 | |
| YWY | 3×2.5 | 0.9 | 0.3᾽ | – | – | 1.40 | 1.8 | 17.0 | 539 | do | 7.41 | 8.71 | 0.204 | 0.15 | 37 | 24 |
| 4×2.5 | 0.9 | 0.3᾽ | – | – | 1.40 | 1.8 | 17.5 | 608 | do | 7.41 | 8.71 | 0.204 | 0.15 | 37 | 24 | |
| 5×2.5 | 0.9 | 03᾽ | – | – | 1.40 | 1.8 | 19.0 | 677 | do | 7.41 | 8.71 | 0.204 | 0.15 | 23 | 19 | |
| 6×2.5 | 0.9 | 0.3᾽ | – | – | 1.40 | 2.0 | 20.5 | 780 | do | 7.41 | 8.71 | 0.204 | 0.15 | 21 | 18 | |
| 7×2.5 | 0.9 | 0.3᾽ | – | – | 1.40 | 2.0 | 20.5 | 608 | do | 7.41 | 8.71 | 0.204 | 0.15 | 20 | 17 | |
| 10×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 22.0 | 800 | do | 7.41 | 8.71 | 0.204 | 0.15 | 18 | 15 | |
| 12×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 22.0 | 860 | do | 7.41 | 8.71 | 0.204 | 0.15 | 17 | 14 | |
| 14×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 23.5 | 966 | do | 7.41 | 8.71 | 0.204 | 0.15 | 16 | 13 | |
| 16×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 24.5 | 1048 | do | 7.41 | 8.17 | 0.204 | 0.15 | 15 | 13 | |
| 19×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 25.5 | 1176 | do | 7.41 | 8.17 | 0.204 | 0.15 | 14 | 15 | |
| 24×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 29.5 | 1456 | do | 7.41 | 8.17 | 0.204 | 0.15 | 13 | 11 | |
| YFY | ||||||||||||||||
| 27×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 30.0 | 1554 | do | 7.41 | 8.71 | 0.204 | 0.15 | 12 | 10 | |
| 30×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 32.0 | 1718 | do | 7.41 | 8.71 | 0.204 | 0.15 | 12 | 10 | |
| 37×2.5 | 0.9 | – | 0.3 | 4.0×0.8 | – | 2.0 | 34.0 | 2004 | do | 7.41 | 8.71 | 0.204 | 0.15 | 11 | 9 | |