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Siemens
Radiator Control Actuator SSA955
CE1N2700en
Building Technologies
2017-11-09
Technical data
Type of battery
3 x alkaline batteries LR6 (AA) 1.5 V
Battery life (capacity ≥ 2.5 Ah)
in normal operation: 3 years
in silent mode:
2 years
Frequency
868 MHz (bidirectional)
Range
typically 30 m in buildings
Protocol
KNX RF-compatible
Sound power level (LwA)
<30 dBA in normal operation
<25 dBA in silent mode
EN ISO 3741
Nominal stroke
2.5 mm
Minimum valve stroke
0.5 mm
Positioning force
typically 110 N
Permissible temperature of
medium in the connected valve
1…110 °C
Sensing element
NTC 4.7 kOhm resistor
Measuring range
0…50 °C
Time constant
29 minutes
Type of controller
PID
Electromagnetic compatibility
(Application)
For residential, commercial and
light-industrial environments
Product standard
EN60730-x
EU Conformity (CE)
A5W90000894
1)
RCM Conformity
A5W90000909_A
1)
EAC Conformity
Eurasia Conformity
Safety class
III to EN 60730-1
Housing
IP40
1)
to EN 60529
Degree of pollution
2 to EN 60730-1
The Environmental product declaration
CE1E2700en
1)
provides information on
environmentally compatible product design
and assessment (RoHS compliance,
composition of substances, packaging,
environmental benefit and disposal).
Dimensions
2)
refer to “Dimensions”
Coupling thread to valve
cap nut M30x1.5
Weight incl. batteries and packaging
0.305 kg
plastic ASA+PC
white NCS S 0502-G
1)
The documents can be downloaded from
http://siemens.com/bt/download
2)
Completely mounted
Power supply
RF
Noise level
Actuator
Temperature of medium
Built-in temp. sensor
Controllers
Norms and directives
Protection
Environmental
compatibility
Dimensions
Weight
Housing material
Housing colors
