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Sentry Relays
Industrial Solutions

Sentry Relays

ABB Sentry safety relays begin to blur the line between safety controllers and relays. Sentry safety relays are available for standard safety circuits, two-hand control, input and output expansion, timer-based circuits, and programmable universal safety relays capable of becoming any of the previously mentioned safety relay types.


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The Sentry safety relays are powerful and easy to use safety relays, suitable for all common types of safety applications.



  • LEDs and display
  • Advanced timer functions
  • Multi-reset
  • Universal models
  • Multi-voltage
  • Compact size
  • Detachable terminal blocks
  • Switch for reset selection
  • Powerful outputs

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