ACOUSTIC SIGNALLERS – SERIES ETH 12
Acoustic signallers suitable for hazardous area Zone 1 & Zone 21

Ex d / Ex tb – IP65

These acoustic signallers are specific for acoustic alarm in closed ambients with low background noise. They have 32 selectable sounds. They work in continuous duty.

The external screws are in Stainless Steel AISI 304.

Features

• Type of protection: Ex d /  Ex tb
• Degree of protection: IP65
• Certified for:
  • Gas group IIC
  • Dust group IIIC
• Max range ambient temperature: -20°C ÷ +55°C
• Material used: Aluminium light alloy
• Max rated voltage: 230 Vac / 110 Vdc
• Sound intensity: 102 ÷ 106 dB
• Weight: 1500 g