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Alarm annunciators

With the SACO annunciator units you can check the alarms from one collective point. These units are used in a variety of applications requiring supervision of alarm and signaling contacts in power plants, substations and industrial process installations.


  • The annunciator units can be used as independent stand-alone units, or they can be integrated via a fiber-optic bus to form complete supervision, event sequence reporting and data acquisition systems

Product benefits

  • Used in a variety of applications requiring monitoring of analog quantities such as temperature, current, voltage, power, etc. in power plants, substations and industry
  • Also used in off-shore installations

Product features

  • Self-supervision
  • Doubled auxiliary supply
  • First-out alarm indication
  • Event register capacity

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