BBJ-21-Explosion-proof audible and visual alarm unit

When the explosion-proof acoust-optic alarm is connected to the power supply, it can send out 8 alarm tones and 9 sound and optical 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

BJ-5J/5Z Audible and visual alarm unit

Function
Alarm tone: Alarm tones meet the requirement of Res.A.1021(26); 32 kinds of tones can be selected on the spot.
Working after electrification: send out an audible and visual alarm signal when electrified.

Power supply: AC220V±10% (BJ-5J)
DC24V (BJ-5Z)
Power: 12W
Sound pressure level: 100~110dB
Color: red (RAL 2030)
IP class: IP56
Weight: 2.1Kg
Stuffing box cable entrance hole size:
2-Φ18mm
Red, yellow, or other colors for lamp covers are available.

BJ-4J/4Z Audible and visual alarm unit

Function
Alarm tone: Alarm tones meet the requirement of Res.A.1021(26); 32 kinds of tones can be selected on the spot.
Working after electrification: send out an audible and visual alarm signal when electrified.

Power supply: AC220V±10% (BJ-4J)
DC24V (BJ-4Z)
Power: 3.6W
Sound pressure level: 91~100dB
Color: red (RAL 2030)
IP class: IP44
Weight: 0.94/0.86Kg
Stuffing box cable entrance hole size:
2-Φ18mm

BJ-3 Audible and visual alarm unit

Function
Alarm tone: Alarm tones meet the requirement of Res.A.1021(26); 32 kinds of tones can be selected on the spot.
Working after electrification: send out an audible and visual alarm signal when electrified.

Power supply: DC24V
AC220V±10%
Power: 0.6W
Sound pressure level: 90~100dB
Color: white（RAL1013）
IP class: IP56
Weight: 0.3Kg
Stuffing box cable entrance hole size:
1-Φ12mm
AC.COM connected AC220V
DC.COM connected to DC24V
(Can’t be connected simultaneously)

BJ-2J/2Z Audible and visual alarm unit

Function
Alarm tone: Alarm tones meet the requirement of Res.A.1021(26); 32 kinds of tones can be selected on the spot.
Working after electrification: send out an audible and visual alarm signal when electrified.

Power supply: AC220V±10% (BJ-2J)
DC24V (BJ-2Z)
Power: 12W
Sound pressure level: 100~110dB
Color: red (RAL 3020)
IP class: IP56
Weight: 1.86/1.4Kg
Stuffing box cable entrance hole size:
2-Φ14mm