China YJB-1Q YJB-1G Hospital Call Alarm Main Unit:
YJB-1Q YJB-1G Hospital Call Alarm Main Unit
1)Chapter 2 of Part 4 of the"Steel Ship Classification Rules" of the China Classification Society:
2)IMO resolution A.1021 (26) code on alerts and indicators,2009.
Colour: Dull black
Shell material: ABS
Cable gland: 6-PG16+3-PG21(wall mounted)
Power supply: DC24V±10%
IP rating: IP20/IP44
Power consumption: 50W
Alarm sound pressure level: 75dB~90dB