Bosch PRAESENSA Installation Manual page 173

Public address and voice alarm system
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PRAESENSA
Climatic conditions
Altitude (operating)
Vibration (operating)
    Amplitude
    Acceleration
Bump (transport)
Airflow
Cooling
Reliability
MTBF
Mechanical
Enclosure
Dimensions (WxHxD)
Ingress protection
Mounting rail
Case
PRA-PSM24
Weight
PRA-PSM48
Weight
Bosch Security Systems B.V.
Power supply module | PRA-PSM24, PRA-PSM48 | en 173
Installation manual
0 to 2500 m
(0 to 8200 ft)
< 0.35 mm
< 3 G
< 10 G
Convection
> 500.000 h
85 x 121 x 124 mm
(3.35 x 4.76 x 4.86 in)
IP20
TS35 DIN Rail
(EN 60715)
Aluminum
1.10 kg (2.43 lb)
0.96 kg (2.12 lb)
2019.11 | V1.00 |

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