
Bosch Security Systems | 2004-06
| 163
7902 - 7905
| Installation and Operational Manual
Technical specifications
Specifications may be changed without notice.
Alarm/Action Box
Installation and Operational Manual
Technical Specifications
Power supply
through the system cable (24V
DC
)
Contact rating action relay
30V, 5A AC/DC
Alarm input trigger threshold
> 150 Ohm (N.C. input)
< 150 Ohm (N.O. input)
System connectors
RJ11E modular (‘telephone’
connectors)
System cable
4-wire dual twisted pair cable e.g.
VSS2906/00 or VSS2930/00
PIR angle of sight
•
horizontal
•
vertical
110º
20º
Dimensions
•
without PIR
119 x 77 x 40 mm
Ambient conditions
Ammonia resistant
Temperature
•
operating
+10ºC - +45ºC
•
storage
-25ºC - +70ºC
Humidity
•
operating
20... 90%RH
•
storage
20... 99%RH