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Siemens Temperature monitor / safety temperature limiter for flue gas ducts RAG-TW.1/-ST.1 CE1N1211en
Building Technologies 21.12.2010
DIN EN 14597 ATW: ATW 1218
ASTB: ASTB 1217
C-tick
N474
Product standards
Automatic electrical controls for
household and similar use
Special requirements placed on
temperature-dependent controls
Type 2 action
EN 60730-1
EN 60730-2-9
ATW: 2BKLNP
ASTB: 2BFHKLNPV
Radio interference protection Click rate N ≤5 to EN 55014
Operation
Max. temperature at sensing
element
Humidity
Mechanism
Storage and transport
Ambient temperature
Humidity
Class 3K5 to IEC 60721-3-3
400 °C
<95% r.h.
Class 3M2 to IEC 60721-3-3
Class 2K3 to IEC 60 721-3-2
-25…70 °C
<95% r.h.
Degree of pollution 2 to EN 60730
Media to be monitored Flue gas (or air)
Compensation of ambient temperature at
switching mechanism and capillary tube
22 °C to DIN EN 14597
Calibration temperature RAG-TW.1: 180 °C
RAG-ST.1: 180 °C
Manufacturing deviation +0/-15 °C
Deviation over entire service life <±5%
Time constant in: Flue gas <45 s to DIN EN 14597
(T0.632<45 s)
Electrical connections
Protective earth connection
Cable entry gland
Push In
1)
connection technique
for wires 6 x 0.75...2.5 mm²
Push In
1)
connection technique
for wires 2 x 0.75...2.5 mm²
M16 x 1.5 mm (max. 4-core cable)
Type of wiring Connection type M (connection of
unprepared solid wires or prepared
stranded wires, e.g. with ferrules)
Housing colors Base RAL 7001 (dark-grey)
Cover RAL 7035 (light-grey)
Dimensions of protection pocket 4.8 mm dia. x 150 mm
Carrier of switching mechanism
Capillary tube and sensing element
Diaphragm
Housing cover
Immersion length of protection pocket
Plastic (PC reinforced)
CrNi steel
Stainless steel
PC (reinforced), temperature-resistant
up to 135 °C
(PC, with viewing window (PC),
temperature-resistant up to 80° C)
150 mm
Electrical connections Push-in
1)
Protective earth connection Push-in
1)
Cable entry gland M16 x 1.5 mm
Package incl. protection pocket Approx. 504 g
Environmental
conditions
Calibration
Connections
General data
Mechanical design