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eSIGN – The electronic modular signal tower

Signalling in new dimensions

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The new standard in industrial signalling

With the eSIGN signal tower, also known as stack light, various signalling modes with multiple colours, brightness levels and illuminated images can be implemented: From classic traffic lights to completely customised settings. Variable level indicators or full-surface signalling can also be easily implemented with eSIGN.


to the eSIGN product range

Product info

  • Resistant to UV radiation and environmental influences (UL Type 4X), certified for use in clean rooms (Class 2)
  • 2 sizes, with/without siren, 24 V supply/versions with IO-Link technology 
  • Clear and unambiguous illuminated images for maximum visibility 
  • Autoscale mode for full-surface signalling and optimum visibility 
  • Classic signal tower (stack light) indication in individual tiers 
  • Variable filling level indication from 0 to 100 %

Clean room and food industry

Logistics and Shipping

Mechanical and plant engineering

Product variants

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9 segments

  • 9 segments, freely triggerable 
  • With or without siren 
  • Black or white design 
  • Standard 24 V version with transfer of the configuration via USB 
  • Version with IO-Link technology 
  • M12 connection
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15 segments

  • 15 segments, freely triggerable 
  • With or without siren 
  • Black or white design 
  • Standard 24 V version with transfer of the configuration via USB 
  • Version with IO-Link technology 
  • M12 connection
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6 segments

  • 6 segments, freely triggerable 
  • With or without siren 
  • Black or white design 
  • Standard 24 V version with transfer of the configuration via USB 
  • Version with IO-Link technology 
  • M12 connection