General Purpose Electronic Horns

Our Bulletin 855H General Purpose Electronic Horns produce a sound output of 108 dB (A) maximum, which is suitable for most mid-range industrial and institutional, single-status signaling applications. The enhanced version produces sound output of 113 dB (A) max. Our horns have multi-tone and volume control capabilities. You can retrofit the horns directly into most machine panel cutouts or mount them into traditional 4-inch electrical backboxes.

Popular Resources/Quicklinks
Signaling Solutions Brochure Signaling Specifications Technical Data


  • Three tones are available in the GP Electronic Horn range
  • Stepless volume control via potentiometer accommodates fluctuating ambient noise
  • No need to upsize power supply due to lower current consumption
  • No back EMF at switch off
  • Rated UL Type 4/4X/13/3R, IP66 (surface mount) or UL Type 3R/13, IP54 (semi-flush mount)
  • Housings made of heat- and shock-resistant, corrosion-free, UV-stable plastics suitable for harsh environments and outdoor applications
  • Enhanced version includes: 113 dB (A) max, two-stage, three tones, and volume control

Industrial Horn Tones [.WAV]

Our horns come in a wide range of tones. To hear an option, select any horn tone from the table below.

  Standard Version Enhanced Version
Tone 1 Sweeping (800/1000Hz @ 7 Hz) Buzzer
Tone 2 Buzzer Sweeping (1200/500 Hz Sweeping @ 1 Hz)
Tone 3 Sweeping (1200/500Hz @ 1 Hz) Sweeping (800/1000 Hz @ 7 Hz)


Product Selection


  • CE Marked
  • cULus Listed — File No. S6583; Guide Nos. UCST, UCST7
Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.


Resource Publication Number Language
Signaling Solutions Brochure 855-BR001
Signaling Specifications Technical Data 855-TD001
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