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 Hz
Power: 16 w
Measure Range: 110 Db
Acoustic frequency: 440 ÷ 2000 Hz
Service: continuous
Weight: Kg. 3,7
Operating temperature: - 50 °C ÷ + 60 °C
SI320B
Power supply: 12÷24 Vac/Vcc
Power: 16 W
Measure Range: 110 Db
Acoustic frequency: 440 ÷ 2000 Hz
Service: continuous
Weight: Kg. 3,7
Operating temperature: - 50 °C ÷ + 60 °C
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 Hz
Power: 16 w
Measure Range: 110 Db
Acoustic frequency: 440 ÷ 2000 Hz
Service: continuous
Weight: Kg. 3,7
Operating temperature: - 50 °C ÷ + 60 °C
SI320B
Power supply: 12÷24 Vac/Vcc
Power: 16 W
Measure Range: 110 Db
Acoustic frequency: 440 ÷ 2000 Hz
Service: continuous
Weight: Kg. 3,7
Operating temperature: - 50 °C ÷ + 60 °C
