Isolator Board
Electrical
Loudspeaker loop connection
120 VAC audio, max 5 A
Maximum loop though loudspeaker load
500 W
Maximum tap‑off load
100 W
Test fault indicating LED
Yellow
Test button
Momentary
Mechanical
Dimensions (H x W x D)
78 x 60 x 32 mm
(3.0 x 2.3 x 0.6 in)
Housing
150 x 150 x 75 mm
(5.9 x 5.9 x 2.9 in)
Mounting options
–
Ready mounted in the supplied housing
–
Mounted inside the loudspeaker
–
Mounted in an IP-65 housing (an optional
mounting bracket LBB 4446/00 is
required)
Weight
Approx. 180 g (6.3 ounces)
Color
Red
Fire-resistant properties
UL60065
Ingres protection
IP30
Punch out holes for cables
–
3 holes for 6 mm wires
–
3 holes for 9 mm wires
Environmental
Operating temperature
-5 ºC to +55 ºC
(+23 ºF to +131 ºF)
Storage temperature
-20 ºC to +70 ºC
(-4 ºF to +158 ºF)
Relative humidity
15% to 90%
Air pressure
600 to 1100 hPa
End of line resistor
Electrical
End of line resistor
47 kohm, > 0.5 W resistor
11.2
11.3
Loudspeakers Line Isolator System
Technical data | en
57
Bosch Security Systems B.V.
Installation and Operation Manual
2014.03 | V1.1 |