Technical data supervision-slave | Bosch Appliances 3.5 specs

Praesideo 3.5 Installation and User Instructions 4 Amplifiers

en 188

11.5Technical data supervision-slave

11.5.1 Physical characteristics

Dimensions (H x W x D):

80 x 60 x 16 mm

Weight:

50g Connection:

Screwable connector

11.5.2 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)

5to 95%, non-condensing (non-operating) Air pressure:

600 to 1100 hPa

11.5.3 EMC and Safety

Electromagnetic compatibility:

EN55103-1/FCC-47 part 15B

EN55103-2

EN50121-4

EN50130-4

Electrical safety:

IEC60065 (CB-scheme)

EN60065

Approvals:

CE marking

EN60849, EN54-16 and ISO7240-16

IEC60945

11.5.4 Mean time between failure

MTBF:

50,000 hours at +55 °C

(The MTBF doubles for every 10 °C decrease in temperature.)

11.5.5 Loudspeaker line characteristics

Preferred cable:

Single twisted pair, 0.75 mm2 to 1.5 mm2. The use of multi-wire cables is not recommended. Cross talk of communication signals affects the supervision performance.

Maximum cable length:

1 km (max. 500 m adjacent to other supervised loudspeaker cables)

Maximum cable loop resistance:

38 ohm

Maximum cable inductance:

750μH

Minimum total loudspeaker impedance:

50 ohm @ 70 kHz (independent of amplifier power) Maximum cable capacity:

300 nF. However, if the maximum load capacity for the power amplifier output is less than this value, the maximum load capacity of the power amplifier is leading (see section 8.8).

Loudspeaker voltage:

70 V, 100 V

Note

The load of the loudspeakers in relation to the line impedance should be such that the 20 kHz pilot tone level is not less than 8 Vrms at the position of the supervision boards.

Because certification for the EN54-16 standard has only been performed on the 100 V output of the Praesideo amplifiers, the installer shall only use the 100 V outputs of Praesideo for emergency sound systems in Europe.

Bosch Security Systems 2011-02

3.5 specifications

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Bosch Appliances 3.5 manual Technical data supervision-slave, Loudspeaker line characteristics

Models: 3.5