DELTA Switches and Socket Outlets Catalog ET D1 · 2011 - Sobel.rs

Technical Information
Room Temperature Controllers
Room temperature controllers, direct floor heating
(5TC9 203)
© Siemens AG 2011
■ Technical specifications
Control devices
Temperature range 5 … 50 °C
Operational voltage
Tolerance range
Switch contact
Rated current (250 AC)
Switching capacity
Switches
Display LED
Switching temperature difference
Temperature reduction
Degree of protection/safety class
Remote sensors
230 V AC, 50/60 Hz
195 … 253 V AC, 50 Hz
1 NO contact
10 A at p.f. =1.0 (heating)
2.3 kW
Power supply "ON/OFF"
Red: control device demands heat (heating mode)
Green: Temperature reduction "ON"
Approx. 1 K
Approx. 5 K
IP30/totally insulated
Sensor element NTC according to DIN 44574
Sensor cable
PVC, 2 x 0.50 mm 2 , length 4 m
Degree of protection IP68 (according to DIN VDE 0470T1)
Ambient temperature -25 … +70 °C
Sensor characteristics of measuring
instrument R i > 1M
Temperatures in °C
5 4.527
10 3.657
15 2.974
20 2.432
25 2.000
30 1.655
35 1.379
40 1.151
45 0.968
50 0.816
Resistance in kΩ
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