http://www.vedardalarm.com/explosion-proof-alarm-bell-fire-sounder-audio-alarm-hooter-p-210

Product Details

Industry security device explosion proof sounder alarm bell 220V or 24V power supply.
JDJL-2 fire alarm explosion-proof outdoor installing alarm bell is non-coded alarm system. It can be installed at places with IIC or IIB T6 temperature grade explosion gas.For example, it can be installed in chemical industry factory, oil field.
When fire is found or accident happens, the alarm bell is triggered by fire alarm control panel or manual call point and makes loud sound alarm signal.
The Ex-proof alarm bell can be connected with any fire control panel.
It meets GB3836.1-2000 electric appliance requirement under explosion gas environment. It meets GB3836.2-2000 flame-proof "d" type Ex-proof device requirement. It has China Ex-proof certificate with quality guaranteed.
Specification:
Explosion proof mark: ExdIICT6
Power supply: AC220V or DC24V
Sound loud level: 95dB to 100dB
Environment proof grade: IP65
Working temperature: -20C to +50C
working relative humidity: <=95%
Working atmospheric pressure: 80kPa to 110kPa
Net weight: 1.6kg
http://www.vedardalarm.com/explosion-proof-alarm-bell-fire-sounder-audio-alarm-hooter-p-210
More explosion proof products such as Ex-proof gas sensor, smoke detector, heat detector, siren strobe, beacon etc. are available. Please contact us.