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Explosion proof acoustic signallers suitable for hazardous area Zone 2 & Zone 1

Ex d – IP55

The acoustic signallers ETR are bell type signalling. They work in continuos duty and they are suitable only for AC voltages.


  • Type of protection: Ex d

  • Degree of protection: IP55

  • Certified for: Gas group IIB

  • Max range ambient temperature: -50°C ÷ +60°C

  • Material used: Aluminium light alloy

  • Max rated voltage: 220 Vac

  • Sound intensity: 90 ÷ 105 dB

  • Weight: 2500 g

Acoustic signaller ETR for hazardous area
Data sheet

Coming soon

ATEX Certificate

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