Application
These cables are used in primary distribution network systems in residential, commercial and industrial areas. They can be used in conduit pipes, underground ducts or directly buried.
Construction
● Conductor :Copper or aluminum, circular compressed or compacted stranded conductors
● Conductor screen: Non-metallic,semi-conducting compound
● Insulation: 100% and 133% and 173% insulation level, cross-linked polyethylene XLPE or tree retardant cross-linked polyethylene insulation(TRXLPE)
● Insulation screen:Non-metallic,semi-conducting compound
● Metallic screen: Copper tape
● Outer sheath: Sunlight resistant, Polyvinyl chloride PVC or Polyethylene (PE) or Polyolefin (PO)
Specification
ASTM B 8 Standard Specification for Concentric-Lay-Stranded Copper Conductors, Hard, Medium-Hard, or Soft
ASTM B 231 Standard Specification for Concentric-Lay-Stranded Aluminum 1350 Conductors
ASTM B 496 Compact Round Concentric-Lay-Stranded Copper Conductors.
ASTM B 400 Compact Round Concentric-Lay-Stranded Aluminum 1350 Conductors.
ANSI/ICEA S-94-649 Concentric Neutral Cables Rated 5 Through 46 kV
Chaircteritics
● Maximum conductor temperature in normal operation: 90˚C.
● Emergency Overload Temperature: Shall not exceed 130˚C.
● Short Circuit Temperature ( 5 seconds maximum duration ): Shall not exceed 250˚C.
● Product manufacturing options:
● Blocking elements against the penetration of water in the metallic part for humid and wet environments.