Siemens Albatros2 Technical Manual

2
Engineering use
Ro
om units
QAA74
12
Siemens Graphical User Interface UI400 CE1U2348en
Building Technologies 2014-06-03
It is normally installed vertically (90°), e.g. on a wall surface. The mounting surface
may be inclined however.
Device Protection as per EN 60529
QAA74 IP40
l Mounted
The following table shows possible power supplies.
Power supply Explanation Note
Via bus (2-wire) Bus power BSB Not backlit
Via controller (3-wire)
At connection G+ on the
controller
Backlit
Via external power supply
Observe section "External
power supply"
Backlit
Application Wiring Bill of quantity (maximum)
Renovation 2-wire
1x AVS74, 1x QAA74, 2x
QAA55
New building, simple 3-wire, to controller 1x AVS74, 1x QAA74
New building, extended
3-wire with external power
supply
1x AVS74, 3x QAA74
N1
BSB (CL+)
GND (CL-)
N1
BSB (CL+)
GND (CL+)
N1
BSB (CL+)
GND (CL-)
1x AVS74
1x QAA74
2x QAA55
DC 12 V (G+)
AC 230 V
1x AVS74
1x QAA74
1x AVS74
3x QAA74
~
DC 12 V
Extern al supply Notes
DC +12 V SELV l Power consumption: 36 mA per device
l Power limitation: 1 A
Orientation
Protection against
foreign objects and water
protection
Power supply
Bill of quantity for wiring
variants
Extern al supply

Siemens Albatros2 Specifications

General

Brand	Siemens
Model	Albatros2
Category	Recording Equipment
Language	English