This medium voltage power cable is designed with multi-core copper conductors insulated by XLPE and equipped with a copper tape screen to manage electrical stress.
Steel wire armour is applied as the main mechanical reinforcement, offering enhanced tensile strength while maintaining flexibility during installation.
The cable structure integrates layered screening, insulated cores, and a reinforced sheath system, forming a reliable solution for 12/20kV power transmission applications.
Conductor System
Plain annealed, Class 2 compacted copper conductors
Extruded semi-conductive compound applied as conductor screen
Insulation & Screening
XLPE insulation layer surrounding each conductor
Semi-conductive insulation screen extruded over insulation
Copper tape used as the metallic screening layer
Core Assembly
Multi-core configuration formed with PP yarn fillers
Binder tape applied to stabilize the assembled core
Sheath & Armour
PVC inner sheath
Steel wire armour (SWA)
PVC outer sheath, Type ST2
Rated Voltage
12/20 kV
Thermal Limits
Maximum conductor operating temperature: 90℃
Maximum short-circuit conductor temperature: 250℃
Electrical Testing
Power frequency withstand voltage: 3.5 U₀
Available Cross-Sectional Areas
Single-core: 16 – 800 mm²
Three-core: 16 – 400 mm²
Applicable Standards
Medium voltage cable design: IEC 60502-2
Copper conductor requirements: IEC 60228

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