Bosch Appliances 3.5 19.4Technical data, Physical characteristics, Climate conditions, System bus

2011-02 Installation and User Instructions 5 Call Stations

19.4Technical 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

en 232

Bosch Security Systems 2011-02