overhead catenary system (ocs)

Key Features & Benefits

We are proud to contribute to the development of Thailand’s railway infrastructure. We supplied the steel structures for the Overhead Catenary System (OCS) of the High-Speed Train (Red Line) project for the State Railway of Thailand.

Our proven expertise in delivering high-quality OCS structures has established us as a trusted partner for railway projects, both domestically and internationally.
  • 01

    OCS Mast Band

    Steel band for fastening components to masts; hot-dip galvanized.
  • 02

    Portal Beam

    Steel beam providing overhead support; customizable span; galvanized finish.
  • 03

    Supporting Arm for Feeder Wire

    Arm supporting feeder wires for proper alignment and tension.
  • 04

    Cantilever

    Adjustable arm supporting contact wires and droppers securely.
  • 05

    Guy Wire System

    Wire tensioning system for mast stability; includes anchors and tensioners.
  • 06

    Components for Overtap

    Hardware for wire crossovers and overtaps, ensuring smooth power flow.
  • 07

    Earth Piece

    Grounding component diverting stray currents; corrosion-resistant.

Technical Specifications

Specification Details
Voltage Capacity Supports 25 kV AC systems, ideal for high-speed and urban rail.
Material Quality High-strength galvanized steel for durability and corrosion resistance.
Structural Designs Available in portal, cantilever, and Y-shaped masts for various track layouts.
Wind Load Resistance Withstands wind speeds up to 150 km/h for enhanced stability.
Compliance Standards Meets EN 50119 and Thai railway standards for safety and compatibility.
Insulation Features High-grade insulators to prevent electrical leakage and ensure reliable power delivery.
Maintenance Low-maintenance design with corrosion-resistant coatings and easy inspection access.
Environmental Impact Eco-friendly materials and coatings, supporting sustainable infrastructure.

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Why Our Steel Solutions Stand Out?

At Siam Steel Tower (SST), we are committed to delivering high-quality, durable, and sustainable steel structures. Our expertise, innovation, and dedication to excellence make us the preferred partner for power, telecommunication, and infrastructure projects.

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