Data Sheet for Product

4
Siemens
A6V11439454_en--_d
Smart Infrastructure
2021-03-31
Operational icons
Increment, decrement or selection
Selection, change or move to previous or next items
Display values, relative humidity or parameter values, etc.
Secondary display, parameters, password / filter hours
Setpoint mode
Fan mode or fan speed mode
Operating mode
More functions or info
Type summary
Product no.
Stock no.
Operating
voltage
Control outputs
Suitable for
On/Off
DC 0…10 V
RDF870KN
S55770-
T407
AC 230 V
4
1)
1
Square or round
conduit box
RDF870MB
S55770-
T408
AC 230 V
4
1)
1
Square or round
conduit box
1)
On/Off output with potential free input from AC 230 V
Ordering
● When ordering, indicate product number, SSN and name.
e.g. RDF870KN (S55770-T407) room controller
● Order sensors separately.
Equipment combinations
Type of units
Product number
Data sheet*)
Room sensor for detection of
PM2.5
3-color LED service
indication
QSA2700
A6V11160938
Room sensor with LCD
display for detection of
PM2.5
2.4-inch color LCD screen
for PM2.5 values, air quality
index, and service
QSA2700D
A6V11160938
Sensors