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M75/660 UIC

Art. No.: 0103741

Zöllner Makrofons are compressed air-operated diaphragm sound emitters on rail vehicles for emitting acoustic signals in rail transport. Sound is generated by a diaphragm, which is clamped into the housing by through the cover screw and a pressure regulation disk.

Because every detail matters

Technical data

  • M75/660 UIC
  • UIC 644
  • 370 ±10 Hz
  • 134 - 139 dB(A)
  • 120 - 125 dB(A)
  • 5 - 10 bar
  • 714.8 l/min. - 8 bar
  • 1.15 kg


Optional modifications for this product

Sound pressure level

The sound pressure level of our Makrofons can be reduced according to your requirements.


Colour selection

You can select between various RAL tones and colour requirements for the funnels of our Makrofons.