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Control & Monitoring

S-VOLT – Voltage Detector For Railway DS / LBS

S-VOLT – Voltage Detector For Railway DS / LBS



  • Voltage presence detector for indoor & outdoor application, for AC and DC networks
  • Secure your network and your maintenance operations with S-VOLT
  • Install S-VOLT next to HV switches for safe maintenance operations
  • Interlock voltage presence detection directly to HV switch operating mechanism for safety increase
  • Provide visual alarm of voltage presence to maintenance teams
  • Intrinsic safety functioning: in case of internal failure or lack of power supply, contacts are de-energized thus allowing to discriminate the device failure in both cases of voltage presence or voltage absence


  • Without Visual detection device S-LUX
  • Connection to SCADA with S-COM device: copper cables or optic fiber (S-COM WAN)
  • Groupment box for additional relay


From project design through disconnectors installation and after sales customer service, SDCEM SERVICES specialists provide worldwide customer services to maintain quality and reliability throughout equipment’s service life: