XLPE Insulation Copper Conductor Low Smoke Zero Halogen Cable
Conductor: Class 2 annealed bare copper solid or strands. This wires are
formed into final conductor in the stranding machines under strict
quality surveillance.
Screen : Mica tape fire resistant screen
Insulation: Cross linked polyethylene compound or PVC is insulated over the
conductors by extrusion process.The raw materials and thicknesses
of Insulation are maintained as per standards and conform to
IEC60502/BS7870 Standards as the case may be.
XLPE:Insulated Power Cable are identified either by colour or by numbers
as follows:
No. of cores Identification
Old Colour coding New Colour coding as per requirement
Outer sheath : Standard cables are manufactured with Extruded black PVC.
Outersheath is embossed or printed with the information required by
relevant standards.
Special FR, FRLS, FRRT, LSF, MDPE compounds are used for
outersheathing of cables, to suit customer’s specific requirements.
Standards
International: IEC 60502, IEC 60227 IEC 60331, IEC 61034
China: GB/T 12706-91 GB306.1-2001, GB/T18380.3-2001
Other standards such as BS,DIN and ICEA upon request
Technical data:
Test voltage 0.6/1 kV [kV] 3.5 / 5 min.
Temperature range in motion -5°C till +70°C
fixed -20°C till +70°C
Operating temperature short circuit °C 250
Short circuit time max. [sec] 5
Bending radius min. x diameter 15
Flammability standard EN 60332-1-2
Main properties
| No | Test item | Property |
| 1 | Construction | Listed to the tables |
| 2 | Conductor resistance | Listed to the tables |
| 3 | Voltage test | A.C 3.5kV 5min | No breaken |
| 4 | Mechanical properties before aging | Tensile strength | Insulation | Min.12.5N/mm² |
| Sheath | Min.12.5N/mm² |
| Elongation at break | Insulation | Min.150% |
| Sheath | Min.150% |
| Mechanical properties after aging | Tensile strength | Insulation | 100°C±2°C 7days Min.±12.5N/mm² |
| Sheath | 100°C±2°C 7days Min.±12.5N/mm² |
| Varying valve of tensile strength | Insulation | 100°C±2°C 7days Min.±25% |
| Sheath | 100°C±2°C 7days Min.±25% |
| Elongation at break | Insulation | 100°C±2°C 7days Min.±150% |
| Sheath | 100°C±2°C 7days Min.±150% |
| Varying valve of tensile strength | Insulation | 100°C±2°C 7days Min.±25% |
| Sheath | 100°C±2°C 7days Min.±25% |
| 5 | Flame-retardant property | Comply with GB12666.5-90(CB) and IEC332-3(CB) |
| 6 | Constant of insulation resistivity | Min at 20°C | 36.7 |
| Ki MΩ.km | Min at 70°C | 0.037 |
