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Siemens Operator / Room / Auxiliary devices CE1U2358en_04
Building Technologies 2014-09-26
4 Technical data
4.1 Operator unit and room units QAA5x... / QAA7x... /
AVS37...
Power supply For devices without batteries (wired):
QAA55 Bus power BSB
QAA75.610
Bus power BSB, with optional G+
(BG lighting not possible)
QAA75.611
Bus power BSB (without BG lighting)
with G+ (with BG lighting).
AVS37.x9x, AVS37.390 G+ mandatory (always with BG lighting)
Notes BG lighting: Background lighting
G+ Voltage value: see basic unit.
For battery-powered devices:
Batteries QAA58: 2 pcs / QAA78: 3 pcs
Type of batteries 1.5 V alkaline size AA (LR06)
Battery life approx. 1.5 years
Room temperature
measurement
(only with QAA7x.../QAA55...)
Measuring range 0..0.50 °C
As per EN12098:
Range 15...25 °C
Range 0...15 °C or 25...50 °C
Resolution
within a tolerance of 0.8 K
Within a tolerance of 1.0 K
0.1 K.
Interfaces AVS37... / QAA75... / QAA55...
BSB-W,
2-wire connection, not interchangeable.
Line length base unit/peripheral device
QAA75... / QAA55...
AVS37...
Max. 200 m
Max. 3 m
QAA58..., QAA78...
BSB-RF
Frequency band 868 MHz
Degree of protection Protection class
If correctly installed, low-voltage live parts meet
the requirements of safety class III according to
EN 60730-1
Protection degree of housing
QAA7x... / QAA5x...
AVS37...
IP20 as per EN 60529
IP40 as per EN 60529, when mounted
Degree of pollution 2 according to EN 60730-1
suitable for residential, commercial and
industrial environment
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