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Product information "2-channel TS2125 temperature switch"


Powerful, clear and versatile – the new 2-channel TS2125 temperature switches with 7 different functions, is ideal for all applications where temperature control is required in the heating or cooling mode. A blue two-line LCD display shows the input and switch-off, the current temperature, the setting parameters and the Min./Max.- value. The device is not only clear and easy to use, but also safe to use, since sensor break and sensor short circuit is detected immediately. The thermal switch can be used independently, but also serve as a replacement for defective mechanical thermostats and digital thermometers. In addition, the unit has a separate min. / Max alarm setting.
The temperature is outside the set window can be switched, for example, for an alarm after a preset delay time from 0 to 8 hours per channel relay. An internal (detachable), alarm beeper is depending on the setting (sensor error) from a warning signal. All parameters are freely adjustable.

Operating modes:

Thermometer for Kan. A
Thermometer for Kan. 1 and 2
Thermo-switch for Ch. A
(With alarm)
Thermal switches for Ch. A
and edges. 2 (with alarm)
Temperature difference controller
(With alarm)
Circulation pump control
Manual mode (manual mode)


– Switching temperature of -55 … +125.0 ° C
– Hysteresis adjustable free
– Remote measurement up to 50m possible
– Sensor monitoring for short circuit and
– Relay status with faulty probe set
– Adjustable for heating, cooling or
Temperature difference control
– LED indication for relay, sensor fault,
and alarm


Included is the 2-channel TS2125 temperature switches with operating instructions and a temperature sensor. (Please note this is required in Mode 2, 3, 5 and 6, a further temperature sensor.)

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Technical Data
– Operating voltage: 230 V / AC
– Power consumption: 3 VA
– Output: 4 volt-free relay, max. 3 kW
– Measuring range: -55 … +125.0 ° C
– Accuracy in the range:
-55 ° C. .. -10 ° C: + / -2 ° C.
-10 ° C. .. +85 ° C: + / – 0.5 ° C.
+85 ° C. .. +125 ° C: + / -2 ° C.
– Resolution: 0.1 ° C steps
– Min Max display
– IP 20 protection
– size W/D/H (mm): 160/120/60