Low voltage overhead insulated cable

Use


Used for AC 50Hz, rated voltage 1kV and below overhead power transmission and distribution lines, for transmitting and distributing electrical energy


Cable specifications


Number of cores: 1, 2, 4, 3+K


Conductor cross-sectional area: 10~300mm2


Special properties of cables


Flame retardant/oil resistant/UV resistant/heat-resistant


Rated operating temperature of conductor


PVC insulation should not exceed 70 ℃, XLPE insulation should not exceed 90 ℃


Allowable bending radius of cable


Cable outer diameter D < 25mm should not be less than 4D, and D ≥ 25mm should not be less than 6D


cable structure


The main structural components of the cable are: conductor and insulation layer


among which


The conductor materials are copper (CU), aluminum (AL), aluminum alloy (AA), and steel cored aluminum stranded wire (ACSR)


The insulation materials are: polyvinyl chloride (PVC), cross-linked polyethylene (XLPE), polyethylene (PE)


Typical structure of cable:


CU/AL/AA/ACSR+PVC/ XLPE /PE/ FR

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