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BBJ-21-24 Explosion-proof audible and visual alarm unit 
Our company is specialized in manufacturing and exporting a wide range of marine equipment to our global clients, we also work as a shipbuilder.
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Product Details

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When the explosion-proof acoust-optic alarm is connected to the power supply, it can send out 8 alarm tones and 9 sound and optic alarm combinations. When the alarm is given, the alarm light is on. The alarm tone and vision of the explosion-proof acoust-optic alarm can be set by the built-in dial code switch.Sound and light alarm signals meet the requirements of IMO a.1021 (26) and GB 9193 ship sound and light alarm signals and identification marks.

Power supply: AC220/230 (BBJ-21-230V)
AC110V (BBJ-21-110V)
DC24V (BBJ-21-24)
Power: 15W
Sound pressure level: ≤115dB
Color: yellow
IP class: IP66
Weight: 9Kg
Explosion-proof class: Ex db opis IIC T4 Gb
Stuffing box cable entrance hole size:
2-Φ17mm


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