Railway Signalling Cables
Railway signalling cables are a type of electrical cable used in railway signalling systems to transmit signals between control systems, signal lights, and other equipment. These cables play a critical role in ensuring the safe and reliable operation of railways by transmitting signals that indicate the position of trains, speed limits, and other important information.When selecting railway signalling cables, it is important to consider the specific requirements of the signalling system, including the voltage and current requirements, the length of the cable needed, and any environmental factors that may impact the cable’s performance.
Railway signalling Cables are for supply of Signals to signal posts for indicating Red, Green, Yellow lights for smooth running of trains. The Signal posts are interconnected between two stations and are controlled from signal room at station by stationmaster controlling movement of trains.
- Conductor : Solid/ stranded, circular.
- Insulation : PVC.
- Inner Health : PVC.
- Armour (for Armoured Cables) : Galvanised steel wire/ GI tape/ Formed wire.
- Outer Sheath : PVC.
- The cross section area of conductor is 1.5 & 2.5 Sq mm.
- Number of cores : Upto 37 cores.
- Durability : Railway signalling cables are designed to withstand harsh environmental conditions, including extreme temperatures, moisture, and mechanical stress.
- Electromagnetic compatibility (EMC) : Railway signalling cables are designed to minimize electromagnetic interference (EMI) and ensure reliable signal transmission.
- Fire resistance : Railway signalling cables are often required to meet strict fire resistance standards to ensure that they can continue to function in the event of a fire.
- Compliance with regulations : Many countries have regulations and standards that require the use of specific types of cables in railway signalling systems, and it is important to choose cables that meet these requirements.
- PVC : Polyvinyl Chloride.
- HR : Heat resistant.
- FR : Flame Retardant.
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