Technical Data - Bosch Praesideo 3.5 Installation And User Instructions Manual

Digital public address and emergency sound system
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2011-02 | Installation and User Instructions | 5 | Call Stations
19.4

Technical data

19.4.1 Physical characteristics
Dimensions (H x W x D):
100 x 90 x 20 mm
Weight:
55 g
Max. flat cable length:
5 m (for all keypads together)
19.4.2 Climate conditions
Temperature:
-5 to +55 °C (operating, guaranteed)
-15 to +55 °C (operating, sample tested)
-20 to +70 °C (non-operating)
Relative humidity:
15 to 90%, non-condensing (operating)
5 to 95%, non-condensing (non-operating)
Air pressure:
600 to 1100 hPa
19.4.3 EMC and Safety
Electromagnetic compatibility:
EN55103-1/FCC-47 part 15B
EN55103-2
Electrical safety:
IEC60065 (CB-scheme)
EN60065
Approvals:
CE marking
EN60849, EN54-16 and ISO7240-16
IEC60945
19.4.4 Mean time between failure
MTBF:
50,000 hours at +55 °C
(The MTBF doubles for every 10 °C decrease in
temperature.)
19.4.5 System bus
Power supply via network:
18 to 56V (DC)
No fault reporting when >20V
Network power consumption:
1.2 W
Bosch Security Systems | 2011-02
en | 232

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