Overlap Stick Relay Circuits - OVSR & OVJSLR

Railway Signalling SMR SMCR TSR UCR ASR ALSR UYRs OVSR OVJSLR Circuits

Railway Signalling SMR SMCR TSR UCR ASR ALSR UYRs OVSR OVJSLR Circuits SMR/SMCR CIRCUIT This relay is energized when the SM’s panel key is `IN’ and turned to Normal. The Energisation of SMCR/SMR relay provides authorized operation of all the functions on the panel. When SM’s key is turned to reverse and taken out from […]

Continue Reading

Railway Signalling Track Circuit Interrupters Presentation

Railway Signalling Track Circuit Interrupters Presentation Definition * Catch points and trap points are types of turnout which act as railway safety devices. *  Catch Points Points are provided to derail vehicles running back on rising gradients. The points may only be Unworked if traffic is in one direction only. Catch points are used to derail vehicles that are out of control on steep […]

Continue Reading