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DSD 050
Earthquake Shut-off System
  • Earthquake shutdown unit based on micromachined polysilicon acceleration sensors
  • Direct connection to electromechanical solenoid valves
  • Internal 12Vdc battery and charger
  • Seismic properties conformal to ANSI Z.21-70 (1981)
    and ASCE 25-97 standards
  • Non-seismic accelerations filtered
  • Capable of performing self-test
  • Maintenance free
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    DSD 060
    Earthquake Detector
  • Based on silicon micromachined acceleration sensors,
    this unit detects seismic acceleration and generates control signals to shutdown any critical devices
  • Seismic properties conformal to ANSI Z.21-70 (1981)
    and ASCE 25-97 standards
  • Non-seismic accelerations filtered
  • Capable of performing self-test
  • Maintenance free
  • Standard and high sensitivity detection relay outputs
  • Overload and short circuit protected relay outputs
  • Operates on 10 to 30 volts DC
  • Direct interface to gensets, elevators and alarm systems
  • Resin molded design

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