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Siemens
User Manual
CE1U2357en
Building Technologies
8 Technical data
2014-07-30
Protection class
If correctly installed, low-voltage live parts
meet the requirements of safety class II
according to EN 60730-1
Protection degree of housing
IP00 according to EN 60529
Degree of pollution
2 according to EN 60730-1
Product standard
EN 60730-1
Automatic electrical controls for household
and similar use
Electromagnetic compatibility
(Applications)
For use in residential, commerce, light-
industrial and industrial environments
EU Conformity (CE)
CE1T2357xx4
Environmental compatibility
The product environmental declaration
CE1E2357en06 contains data on
environmentally compatible product design
and assessments (RoHS compliance,
materials composition, packaging,
environmental benefit, disposal).
Storage to EN 60721-3-1
class 1K3, temperature -20…65°C
Transport to EN 60721-3-2
class 2K3, temperature -25…70 °C
Operation to EN 60721-3-3
class 3K5, temperature 0...50 °C
(noncondensing)
Weight (excl. packaging)
293 g
8.3 Operator / room units AVS37.., QAA7x, QAA55
For devices without batteries:
Bus power supply
BSB
For devices with batteries:
Batteries
3 pcs
Type of batteries
1.5 V Alkali size AA (LR06)
Battery life
approx. 1.5 years
Measuring range
0..50 °C
According to EN 12098:
Range 15...25 °C
Range 0..15 °C or 25...50 °C
Resolution
within tolerance of 0.8 K
within tolerance of 1.0 K
1/10 K
AVS37../QAA75../QAA55..
Max. cable length basic unit – peripheral
device
BSB-W,
2-wire connection, not interchangeable
QAA75../QAA55.. = 200 m
AVS37..
= 3 m
QAA78...
BSB-RF
frequency band 868 MHz
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
IP20 for QAA7../ QAA55..
IP40 for AVS37.. (when mounted)
according to EN 60529
Degree of pollution
2 according to EN 60730-1
Degree of protection
Directives and
Standards
Climatic conditions
Weight
Power supply
Room temperature
measurement
(only with
QAA7x... / QAA55...)
Interfaces
Degree of protection