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  Audio Frequency Track Circuits (AFTC)  
Home Technologies Audio Frequency Track Circuits (AFTC)
The latest technologies are being envisaged for small station layouts by railways for signaling interlocking.

Micro Processors based SSI occupy less space and consume less power compared to relay based interlocking. Also it is more adaptable for monitoring and is easy to maintain.

We have entered into a joint consortium with M/s Siemens a multinational company for executing a project awarded by RVNL involving 9 SSI Stations.

Technology developed by M/s Siemens along with their relay equipments has been deployed for executing the above project and we actively pursue other projects of SSI for other zonal clients.