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250 kcmil
Description
Description
Standards
-
ProductASTM B 496; ASTM B 8; ICEA S-93-639; UL 1072
Application
Medium Voltage single core cables are used in electrical energy distribution networks, as feeders for transformers in substations, industrial facilities and urbanizations. They are suitable for installations in dry or wet locations, outdoors and in underground ducts.
Construction
1. Conductor: Plain annealed Copper, compact class B stranding.
2. Conductor screen: Extruded semiconductive compound.
3. Insulation: Cross-linked Polyethylene (XLPE).
4. Insulation screen: Strippable semiconductive compund.
These last three components extruded in CV (continuous vulcanization) of triple extrusion in the dry curing process.
5. Screen: Made up of copper tape.
6. Outer jacket: PVC compound, flame retardant, resistant to heat, abrasion and humidity, resistant to sunlight (SR), black color.
Applicable Standards
ICEA S-93-639, NTC 2186-2, NEMA WC 74.
Certificate
RETIE N° 00412
Operating Temperature
90 °C.
Operating Voltage
15 kV.
Identification
Insulation in natural color and black external jacket. Sequential length meter by meter with return to zero.
Unit Packaging
500 m or 1000 m reels. Other packaging units available upon request.
Optional Features available upon request:
Insulation in XLPE-TR (Tree retardant) compound. External covering in HDPE, LDPE or XLPE. Application of additives for protection against rodents and termites. Water blocking system in conductor and/or screen, longitudinal and/or radial.
For more information, contact our sales representative.
Ampacity and Reactance Conditions
- Ampacities of Insulated Single Copper Conductor Isolated in Air Based on Conductor Temperatures of 90°C and Ambient Air Temperature of 40°C. According to NEC, Table 310.60(C)(69).
- Ampacities of Three Single-Insulated Copper Conductors in Underground Electrical Ducts (Three Conductors per Electrical Duct) Based on Ambient Earth Temperature of 20°C, 100% Load Factor, Thermal Resistance (RHO) of 90, Conductor Temperatures of 90°C. According to NEC, Table 310.60(C)(77).
- Reactance Inductive to 90°C, 60Hz, 3 conductors spaced 1 diameter. Trifoil and flat configuration.
NOTE:
- The data reported here are nominal and are subject to tolerances according to standards and normal manufacturing practices.
- Other configurations not specified in this catalog may be available under special request and minimum manufacturing quantitie.
RECOMMENDATIONS FOR THE SELECTION OF ACCESSORIES AND DUCTS
The technical information presented here is for reference purposes only. Actual dimensions and construction details will only be available with the test reports for each manufacturing order. For the selection of accessories and/or ducts, it is recommended to measure directly on the actual dimensions of the cable using the appropriate methods and instruments. Centelsa by Nexans will not assume any responsibility for the selection of such elements.
Characteristics
Characteristics
Construction characteristics
Construction characteristics
Dimensional characteristics
Dimensional characteristics
Electrical characteristics
Electrical characteristics
Mechanical characteristics
Mechanical characteristics
Usage characteristics
Usage characteristics
Resources
Resources
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