ASTM Standard Aerial Bundled ABC Power Cable 15kV 35kV For Overhead Distribution Line

APPLICATION

Screened MV ABC cables are specialized power transmission solutions combining medium-voltage (MV) capabilities with the structural advantages of Aerial Bunch Cables (ABC). Their applications include:

• Medium-Voltage Distribution Networks
• Aerial Power Infrastructure
• ‌Industrial Power Supply‌
• ‌Renewable Energy Projects‌

CONSTRUCTION

• Conductor: Circular Compacted Stranded H68 Aluminium ( Class 2)
• Conductor Screen:Extruded Semi-conductive Layer
• Insulation:XLPE
• Insulation Screen:Extruded Semi-conductive Layer
• Metallic Screen:Copper wire screen or copper tape screen
• Outer Sheath:HDPE
• Support Conductor:Galvanized steel wires

CHARACTERISTIC

• Voltage rating: 19/33kV up to 35kV
• Normal operation 90°C.
• Emergency over load conditions 130°C.
• Short circuit conditions 250°C.

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FAQ

‌What does 35kV ABC cable mean?‌
It refers to Aerial Bundled Cable designed for 35kV medium-voltage distribution systems, featuring multiple insulated conductors bundled together with messenger wires for overhead installation

‌What insulation materials are used?‌
Typically XLPE (Cross-linked Polyethylene) insulation rated for 90°C continuous operation, providing superior thermal stability and dielectric strength compared to low-voltage ABC cables

What's the maximum span length?‌
Standard designs allow 100-150m spans depending on wind/ice load conditions, with reinforced variants supporting up to 200m spans through high-strength aluminum alloy messenger

‌Does it require lightning protection?‌
Yes, shielded versions incorporate concentric neutral conductors or metallic screens complying with IEC 60502-2 for surge protection in exposed installations

Can it be installed in coastal areas?‌
Special anti-corrosion versions with weather-resistant XLPE compound and tinned copper screens are available for salt-laden environments

What's the bending radius requirement?‌
Minimum 12×cable diameter during installation (e.g., 480mm for 40mm diameter cable) to prevent insulation damage

‌How does it handle short-circuit currents?‌
Rated for 250°C for 5 seconds during short circuits, with copper screen variants achieving higher fault current capacity than aluminum screens

‌Is jointing different from underground cables?‌
Yes, requires specialized aerial joints with UV-resistant covers and tension-resistant mechanical design for field installation

‌What maintenance is required?‌
Periodic infrared thermography to detect hotspots, plus visual inspection for tree/wildlife damage in forested areas