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