N.S1-P-24-4.0.4 relay – Signalling, post


The N.S1-P-24-4.04 24 VDC instantaneous electro-mechanical vital relay is a track side safety relay for the signalling railway market.
It is a single module « plug-in relay » with positive mechanical keying, equipped with 4 normally open contacts and 4 normally closed contacts.


The N.S1-P-24-4.04 is designed for applications such as signaling light control, automatic gate control, point mechanism control, control room.


  • Proven reliable
  • Long life cycle
  • Easy to maintain and replace
  • Low life cycle cost
  • No maintenance

Railway compliancy

  • NF F 70-030 August 2004
  • NF F 70-020 September 1991
  • NF F 70-031 – Type approval testing procedure
  • NF F 70-32 – Series acceptance test procedure



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