SI312 acoustic siren

SI312 acoustic siren is suitable for application where it is necessary to use an alarm signal indoors or with low background noise. Suitable also to be installed in hazardous area, zone 1 and 2. Sounds selected are 32, like: BI-TONE – YELP – WAILL – INTERMITTENT –FIXED NOTE.

Aluminum body and cover without copper Screws in AISI 304 An entrance hole Ø ¾ "ISO 7/1" explosion proof protection rating:- II 2GD Ex d IIC T6 Gb- II 2GD Ex tb IIIC T85 ° C Db protection rating : IP65

SI312A      Power supply: 230 Vac 50/60 HzPower: 4 wMeasure Range: 106 DbAcoustic frequency: 340 ÷ 2000 HzService: continuousWeight: Kg. 1,5Operating temperature: - 20 °C ÷ + 55 °C   SI312B      Power supply: 12÷24 Vac/VccPower: 4 WMeasure Range: 102 DbAcoustic frequency: 340 ÷ 2000 HzService: continuousWeight: Kg. 1,5Operating temperature: - 20 °C ÷ + 55 °C