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Signalling equipment

Acoustic signals

ETH series acoustic signals are recommanded when it's necessary the use of a signalling bell and/or alarm, in areas with potentially explosive atmosphere.

The sounds to select are five (BI-TONE - YELP - WAIL - INTERMITTENT - FIXED NOTE), or single (BI-TONE).


  • Body and cover in low copper content aluminium alloy;
  • Stainless steel screws;
  • RAL 7000 epoxy coating.