Data Sheet for Product
5/8
Siem ens Immersion temperature sensors QAE21… CE1N1781en
Building Technologies 2018-05-28
Disposal
The device is considered electrical and electronic equipment for disposal in terms of the
applicable European Directive and may not be disposed of as domestic garbage.
· Dispose of the device via the channels provided for this purpose.
· Comply with all local and currently applicable laws and regulations.
Technical data
Measuring range - 30...+125 °C for NTC-Type
- 30...+130 °C other types
Sensing element Refer to "Type summary"
Time constant
With protection pocket
Without protection pocket
Approx. 30 s
Approx. 8 s
Measuring accuracy Refer to "Function"
Immersion length Refer to "Type summary"
Nominal pressure Refer to "Type summary"
Protection class III according to EN 60730-1
Protection degree of housing Refer to "Type summary" according
to EN 60529
Screw terminals for 1 x 2.5 mm
2
or x 1.5 mm
2
Cable entry via
Grommet
Cable entry gland
For 5.5...7.2 mm dia. cable
M 16 x 1.5
Perm. cable lengths Refer to Data Sheet of controller
Operation
Climatic condition
Temperature (housing)
Humidity (housing)
To IEC 721-3-3
class 3K5
–40...+70 °C
5...95 % r.h.
Transport
Climatic condition
Temperature
Humidity
Mechanical environmental conditions
To EC 721-3-2
class 2K3
–25...+70 °C
<95 % r.h.
Class 2M2
Base Polycarbonate, RAL 7001
(silver-grey)
Cover Polycarbonate, RAL 7035
(light-grey)
Immersion rod Stainless steel to
DIN 17 440, steel 1.4571
Protection pocket Brass (CuZn37)
Compression fitting Stainless steel 1.4404, 1.4435,
1.4571
Cable entry gland M 16 x 1.5 PA, RAL 7035 (light-grey)
Packaging Corrugated cardboard
Functional data
Degree of protection
Electrical connections
Environmental conditions
Materials and colors