6 / 46 
Siemens  Wall-mounted sensors and room operator units for KNX/ETS and KNX/ACS  CM2N1602en_05 
Building Technologies  Devices   2018-09-14 
1  Devices 
1.1  Type summary 
Product number  Stock number  Features 
 
2
 
Air quality indicator 
with LED
 
Segmented backlit 
display and touchkeys
 
 
-
 
Win
 
Sensors  QMX3.P30 
S55624-H103 
X 
QMX3.P40 
S55624-H116 
X  X 
QMX3.P70 
S55624-H104 
X  X  X  X 
Room operator units  QMX3.P02 
S55624-H107 
X  X  X 
QMX3.P34 
S55624-H105 
X  X  X 
QMX3.P74 
S55624-H106 
X  X  X  X  X  X 
QMX3.P37 
S55624-H108 
X  X  X  X  X 
Accessories  QMX3.MP1 
S55624-H110  Base plate for conduit box / cavity wall box for 68 mm 
diameter hole  
20 pcs. per package 
1.2  Equipment combinations 
The room operator units are KNX certified and can be connected to all suitable 
KNX devices, if the appropriate communication objects are available in the 
application. 
Use in the following BAC systems: 
• GAMMA Building Management Systems / third-party devices
• Building automation and control systems with ETS configuration
Integration of third-party devices and free configuration.
• Synco700 (with ACS configuration) can only use the sensor information of types
QMX3.P30, QMX3.P40 and QMX3.P70.