Midi Horns and Sirens

For machines and buildings

Your benefits

The loud Midi Horns, Sounders and Sirens from WERMA provide safety and security by delivering reliable audible warning when faults occur over longer distances or in noisy environments.

  • Quick and easy installation
  • Tamper-proof when installed
  • Ideal for noisy environments
  • Long life duration

Typical applications

Fault signalling

  • On machine controllers and on large equipment
  • In building service systems (e.g. gas alarm)
  • Alarm in the event of overload (e.g. mobile cranes)

Installation options

  • Base mounting
  • Wall mounting
  • Tube mounting


  • Proven piezo technology
  • 574/575 series with ten times longer life duration compared to electromechanical versions
  • Up to 8 tones for signalling different statusese
WERMA Contact


If you have any questions or comments, please simply contact us.

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WERMA Catalogue 2017/2018

Catalogue 2017/2018

The WERMA product range

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Tech-Talk - Acoustics in signal technology

Regardless of language and alphabet – acoustic signals usually consist of an alarm tone triggered when faults occur.

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