HT Power Cables
High Voltage Electrical Power Transmission Systems (3.3 kV – 33 kV)
Euro Tech Engineering & Services supplies industrial-grade High Voltage (HT) power cables designed for safe, efficient, and reliable electrical power transmission across industrial, utility, and substation applications.
All cables are manufactured and supplied in compliance with IEC 60228 (Conductors), IEC 60502-2 (HT Cables up to 33kV), IEC 60332 (Flame Retardancy), and IEC 60754 / IEC 61034 (LSZH performance – optional).
Electrical Ratings
Electrical Ratings
Voltage Range: 3.3 kV / 6.6 kV / 11 kV / 22 kV / 33 kV
Frequency: 50 Hz
Conductor Temperature: 90°C continuous
Short Circuit Temperature: 250°C (max 3 sec as per IEC)
Electrical Performance Features
High dielectric strength insulation system
Low partial discharge level (< IEC limits)
High short circuit withstand capability
Excellent thermal endurance under continuous load
Stable performance in underground installation
Chemical, moisture & soil resistance
Cable Construction
Complete Cable Construction
IEC 60502-2 Standard:
Conductor: Compact stranded Copper / Aluminum (Class 2)
Conductor Screen: Semi-conductive XLPE layer
Insulation: XLPE (Cross-linked polyethylene)
Insulation Screen: Semi-conductive compound layer
Metallic Screen: Copper tape / copper wire screen (earth fault return path)
Separation Tape (optional)
Bedding Layer: PVC / PE compound
Armour: Galvanized Steel Wire Armour (SWA) / Steel Tape Armour (STA)
Outer Sheath: UV resistant PVC / HDPE / LSZH
Engineering Features & Applications
Additional Engineering Features
Electric field control via semiconductive layers
Shielding for fault current safety
Proper earthing path via metallic screen
Fire retardant and low smoke options available
Designed for long-distance transmission efficiency
Armoured Cable System
Common Features:
Mechanical protection against impact
Rodent protection for underground installation
Enhanced tensile strength
Suitable for direct burial
Long service life in harsh environments
Copper Power Cables
High Conductivity & Maximum Efficiency
Technical Specifications:
Conductor Material: Electrolytic Grade Copper (99.9% purity)
Standard: IEC 60228 Class 1 / Class 2 / Class 5
Voltage Rating: 3.3 kV, 11 kV, 33 kV
Temperature Rating: 90°C (XLPE insulation)
Features:
Excellent electrical conductivity (low resistance)
High current carrying capacity
Long service life
Suitable for critical HV power systems
Aluminum Power Cables
Cost-Effective & Lightweight Transmission Solution
Technical Specifications:
Conductor Material: EC Grade Aluminum
Standard: IEC 60228 compliant
Voltage Range: HT Applications
Insulation: XLPE
Features:
Lightweight construction
Economical alternative to copper
Good conductivity-to-weight ratio
Suitable for long-distance HV distribution
Technical Performance Features
High dielectric strength insulation
Flame retardant (FR / FRLS / LSZH options)
Low power loss transmission
High thermal stability under load
UV & chemical resistant outer sheath
Applications
11kV / 33kV distribution networks
Power substations & feeders
Industrial plants & heavy industries
IPP power generation projects
Underground cable systems
Utility grid infrastructure
Final Technical Summary
Euro Tech LT & HT power cables are engineered according to international IEC standards, providing high electrical conductivity, strong dielectric insulation, superior mechanical protection, safe underground and overhead transmission, and long-term operational reliability in industrial environments.
