SI320 acoustic siren

This acoustic siren is suitable for applications where there is an high background noise and it is suitable also to be installed in hazardous area, zone 1 and 2.

Aluminum body and cover without copper Screws in AISI 304 An entrance hole Ø ¾ "ISO 7/1" explosion proof protection rating:- II 2 G Ex dIIC or IIB+H2 T3 or T4 Gb- II 2 D Ex tb III T150°C or T130° Db protection rating : IP66

SI320A      Power supply: 230 Vac 50/60 HzPower: 16 wMeasure Range: 110 DbAcoustic frequency: 440 ÷ 2000 HzService: continuousWeight: Kg. 3,7Operating temperature: - 50 °C ÷ + 60 °C   SI320B      Power supply: 12÷24 Vac/VccPower: 16 WMeasure Range: 110 DbAcoustic frequency: 440 ÷ 2000 HzService: continuousWeight: Kg. 3,7Operating temperature: - 50 °C ÷ + 60 °C