Railway Power Supplies and Connectivity Components

TE Connectivity is a world leader in connectivity in harsh conditions in railways as well as automotive, aerospace, power grids, appliances, electronics and factories. It creates high-performing, high-demand railway power supplies and connectivity components that its customers rely on for long lasting, always-on, no-fail applications. TE Connectivity’s products are crucial for an increasingly connected world. They sense and connect data, power or signals. In the rail industry, TE’s products support power, signalling and data connectivity on board rolling stock as well as catenary lines and at trackside substations and signalling cabinets.

Power Supplies for Overhead Catenary Lines

TE creates the components that carry the 25 kV power supply from overhead catenary lines to the traction transformer on board rolling stock. These include the switchgear (circuit breakers) that control the flow of power, surge arrestors to limit damaging over-voltages and high voltage cable assemblies that provide safe and reliable connections. Railway systems around the world operate in a wide range of climatic and environmental conditions. Customers in Saudi Arabia, China and Belarus might order the same basic platform but their operating environments vary widely. TE has the know-how to deliver high voltage roofline components and systems that will be reliable in the toughest environments, including high humidity, pollution, high altitudes and extreme temperatures:

  • High-voltage switchgear
  • Surge arresters
  • HV cable assemblies
  • HV inter-car jumper cables
  • Insulators

Rolling Stock Power and Signal Connectivity

Operators are demanding more productivity, efficiency and availability from their rolling stock. TE’s railway power supplies and connectivity components have a range of standards, proprietary and specific products for power and signal connectivity in the rail industry.

TE’s focus is to meet the rail industry’s demand for connectors that are lighter, smaller, have greater capacity and minimise maintenance requirements – without any compromise on reliability. In-depth knowledge of the latest European standards, stringent testing and highly repeatable manufacturing techniques mean that TE has a range of robust power and signal connectors that conform to international standards:

  • Power connectors
  • Signal connectors
  • UIC (International Union of Railways) connectors
  • Rail-specific connectors for on-board battery systems and inter-vehicle links
  • Trackside connectors that are secure, weather-proof and vandal-proof
  • Cable identification systems

Data Communication for Railway Applications

Growing passenger expectations and the development of smart monitoring systems mean that demand for data connections is ramping up. TE is helping operators to meet the challenge of reducing weight and increasing connectivity. TE’s connectors and cables are designed for safe and reliable communication in harsh onboard and trackside environments. Applications include control and communications such as CCTV, door controls, train management and wayside control:

  • Rail communication connectors
  • High-speed communication cable
  • Fibre-optic cable
  • Cable identification systems

Power Supplies for Electrified Railways

TE’s line of reliable, high-performance produces includes well-known brands like Raychem, SIMEL and Bowthorpe EMP. TE has the capabilities to deliver complete rail solutions that ensure continuous power to optimise railway systems and improve passenger comfort: at trackside substations and signalling cabinets, on catenary systems, on-board high-voltage components, train control systems and information systems:

  • Complete rail connectivity for power, signalling and data
  • Cold shrink terminations for high-voltage rail cables
  • Cold shrink cable joints
  • Railway insulators for high voltage connectors
  • Current-carrying catenary droppers
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