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
