ACOUSTIC SIGNALLERS – SERIES ETR
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.

Features

• 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