Life Safety

System Specialists

  • Analogue Fire Detection
    Syncro ASSyncro AS ListecSyncroSyncro ViewSyncro MatrixSyncro IdentSyncro ModulesMulti Input/ Output UnitsSyncro I/O Boards & EnclosuresSyncro GUIDE
  • Conventional Fire Detection
    Sigma CPSigma CP-ASigma CP-RSigma CP AncillariesSigma MatrixK3000 SeriesLCMU
  • Extinguishant Control Panels
    Sigma XTSigma XT+Sigma XT+ CoincidenceSigma SiSigma XT Keyswitches & AncillariesSyncro XT+Syncro Si
  • Power Supplies & Battery Chargers
    Power Supplies & Battery Chargers2.5 & 5.25Amp PSUs10.25Amp PSU
  • Miscellaneous
    Sigma DocBoxTamper Resistant Vision WindowWarning signsRemote Isolate/ Audio VisualRemote Indicator UnitsWater DetectionSyncro As Printer Enclosure
  • UL/ FM Approved Panels
    Analogue Addressable Control PanelsEliteElite RSeVieweMatrixeNet16 Channel IO BoardConventional Control Panels
    Sigma A-CPSigma A-CP AnnunciatorExtinguishant Control PanelsSigma A-XTSigma A-Si Sigma A-XT Keyswitches & AncillariesPower Supplies10.25Amp PSU
  • Custom Engineered Solutions
  • Marine
    Syncro ASMSyncro View MarineSyncro ASM Voyage Data Recorder (VDR)

EN54-4 Approved

Switched Mode

Power Supply/ Charger


  • The S406/S407 power supply/battery charger has been developed using switched mode technology to produce an efficient and lightweight power unit for a host of fire alarm applications.
  • Suited to almost any application, the S406/S407 is designed to be a universal power source which will reduce spares stock holding and increase serviceability of systems.
  • The comprehensive monitoring features of the S406 include true battery present detection, low battery voltage warning, battery overcharge warning and low battery shut off. The S407 features include true battery present detection, low battery voltage warning and mains fail warning.
  • These features combined with the temperature compensated charger output will increase the service life of sealed lead acid batteries.
  • The S406 and S407 power supplies are available as chassis only versions for mounting into existing enclosures of various sizes to suit different battery capacities.



  • Data Sheet

    DS19 Data Sheet
  • Manuals

    Man-1128 Main Manual
  • Certification

    Kitemark Certificate -Syncro, Sigma CP & PSU ProductsCertificate of Conformity for K25400 & K25250 Power SuppliesDeclaration of Performance for Power Supplies
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