Technical Data; Pra-Lid (Ldb) - Bosch PRAESENSA Installation Manual

Loudspeaker line isolator system
8

Technical data

8.1

PRA-LID (LDB)

Electrical
DC Power supply
DC Power consumption
Inrush
LDB only
LDB full load (plus 200 x FIM)
AMP input (100V audio)
max. AC voltage
max. AC current
Frequency range
THD
LOOP output
AC
DC voltage
DC current
Wiring
Grounding
Loop relay contact rating
Maximum total loop load
Loudspeaker type
Maximum number of FIM connected, single
loop
Short detection
Open detection
Ground leakage detection
Functional (Interfacing)
Status indicators
User buttons
General Fault contact
Serial data communication
Maximum supply current, single DIN rail
Bosch Security Systems B.V.
18 - 50 VDC
1.44 W
1.9 W
2.4 W
max cont. 100 VRMS, 300 VPP
max cont. 8 A
40 Hz ~ 20 kHz (-3dB)
max 10% (according to EN 54-16)
same as AMP input
30 V
max. cont. 130 mA
2-wire. Max. 2.5 mm2 / Max. Loop length:
1000 m
Earth loop through third connection-pin
max. 250 VAC / 8 A (Dual-state type)
800 W
only with DC blocking capacitor
200
< 90 Ω (L+ to L-)
> 1.8 kΩ (PRI to SEC; AMP+ to AMP-)
< 30 kΩ (L+/L- or AMP+/AMP- to GND)
3 x LED indicator
Reset button + Service button
Pin-to ground (programmable)
RS-485
8 A
Installation manual
Technical data | en 31
2021.07.28 | V1.00 |