Pra-Lim (Fim) - Bosch PRAESENSA Installation Manual
Loudspeaker line isolator system
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Also See for PRAESENSA:
- Installation manual (194 pages) ,
- Manual (166 pages) ,
- Release notes (24 pages)
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Loudspeaker line isolator system
8.2
PRA-LIM (FIM)
Electrical
DC Power supply
(powered via loop from LDB)
DC Power consumption
Idle current
Max. power consumption
LOOP connection
DC
AC Voltage
AC Current
AC Frequency range
AC THD
T-branch output
DC
AC
Maximum AC load
Wiring
Grounding
Loop relay contact rating
Maximum total loop load
Loudspeaker type
Maximum number of FIM's, single loop
Maximum number of loudspeakers
Between FIM's
T‑branch
Short detection
Open detection
(only T‑branch with EOL monitoring)
Functional: (interfacing)
Bosch Security Systems B.V.
19 - 30 VDC, nominal 30 VDC
100 µA continuous
20 mW
30 V, max. cont. 130 mA
Max. cont. 100 V
Max. cont. 8 A
40 Hz ~ 20 kHz (-3dB)
Max.10% (according to EN 54-16)
560 mV, max. 15 μA, cont. 1 μA
Same as LOOP
50 W
2-wire, max. 2.5 mm
outer cable diameter max. 13 mm
Optional earth loop through third connection
pin
Max. 250 VAC / 8 A (Dual-state type)
800 W
Only with DC blocking capacitor
200
Infinite within the maximum loop-load of
800W (National standard may limit the
number of loudspeakers between FIM's)
Infinite within the maximum T-branch load of
50W (National standard may limit the number
of loudspeakers)
< 90 Ω (L+ to L-)
> 360 kΩ (L+ to L-)
Installation manual
Technical data | en
RMS
PP
, 300 V
2
, loop max. length 1 km,
2021.07.28 | V1.00 |
33
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