Tratos OHC CFCC (Carbon Fiber Composite Conductors) – Overhead Conductor

A High Temperature Low Sag (HTLS) phase conductor made from an innovative hybrid, central strength member comprising lightweight carbon fibre-glass yarns, tape wrapped then covered with a seamless aluminium sheath, with two layers of high temperature trapezoid TAL wires (AT1 according to IEC 62004).

Energy Cables / Overhead Conductor Cables

Cable Innovative Design High-Temperature Low Sag Cables

Following the development, testing, and successful installation of a completely new hybrid overhead conductor cable for use in overhead lines, Tratos has proved the concept and principle that this innovative design avoids the limitations of traditional conductor designs. The initial Tratos design was based upon a high load carrying carbon fibre core with two compact, space-saving, segmental thermal resistant aluminium alloy (AT1) wire layers applied helically around. Tratos has further developed and improved the concept; Tratos can now offer a bespoke design of the centre matched to the actual circuit and installation conditions, with one, two or three layers of either circular or segmental wires to meet the existing or forecast current carrying capacity.  

Most importantly, these Tratos Overhead Conductor Cable innovative designs are not governed by existing materials and technology, where any increase in transmitted power results directly in either an increase in size and, hence, the weight of the conductor or an increase in the operating temperature above the recommended maximum operating temperature.

APPLICATIONS — These new innovative hybrid conductors are especially suitable as fast and cost-effective replacements for traditional ACSR conductors in short and medium spans in all topographical locations.

BETTER BY DESIGN — The current carrying capacity is twice that of traditional designs. Reduced weight and strain allow the use of existing pylons and standard installation techniques.

MORE STRENGTH, LESS SAG — Greater tensile strength to withstand snow, ice and wind loadings. Less sag and increased ground clearance at the maximum current rating.

ECONOMIC BENEFIT — Tratos Overhead Conductor Cables reduce cost and make easier installation alongside increased power transmission

Notes on handling CFCC: CFCC is a composite material consisting of carbon fibres and a matrix resin. As CFCC is different from steel members, special care should be taken when handling it, i.e., not to cause flaws, deformation, or deterioration. Refrain from dropping hard and heavy objects (such as hammers), sparking welding/fire on CFCC, or bending CFCC steeply. CFCC damaged by any of these should be discarded.

These bare overhead conductors, including CFCC, form the backbone of electrical transmission and distribution systems, ensuring electricity’s reliable and efficient flow to homes and industries worldwide. Their diverse designs and materials cater to a wide range of environmental and operational conditions, making them an indispensable part of modern electrical infrastructure.

Contact us:

Tel: +44 20 3148 5178


Please don’t hesitate to contact us if you need additional information about our products.


 Brochure OHC-HV

 Tratos® OHC – OPGW Catalogue

 Tratos Developments of Hybrid Centre Overhead Lines


  • Outer layer - trapezoidal wires
  • Inner layer - trapezoidal wires
  • Aluminium sheath
  • Wrapping
  • Filling material
  • Carbon and glass composite wire


Contact us

Please, don’t hesitate to contact us for additional information on our company or our products.

Related Case Studies

Other News

Our website uses cookies and thereby collects information about your visit to improve our website (by analyzing), show you Social Media content and relevant advertisements. Please see our cookies page for further details or agree by clicking the 'Accept' button.

Cookie settings

Below you can choose which kind of cookies you allow on this website. Click on the "Save cookie settings" button to apply your choice.

FunctionalOur website uses functional cookies. These cookies are necessary to let our website work.

AnalyticalOur website uses analytical cookies to make it possible to analyze our website and optimize for the purpose of a.o. the usability.

Social mediaOur website places social media cookies to show you 3rd party content like YouTube and FaceBook. These cookies may track your personal data.

AdvertisingOur website places advertising cookies to show you 3rd party advertisements based on your interests. These cookies may track your personal data.

OtherOur website places 3rd party cookies from other 3rd party services which aren't Analytical, Social media or Advertising.