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Product data sheet
Temperature limiter (TB)
The temperature setpoint can only be adjusted with the aid of a tool. The reset is initiated by pressing
the RESET button with a tool once the temperature has decreased by the minimum switching differ-
ence.
Safety temperature limiter (STB)
The STB has the same functions as the TB, but the contact switches to the safe side if a capillary
tube is broken. As it is classified as PED 2014/68/EU cat. IV, the STB is suitable for safety applica-
tions.
Two universal housings can be connected to each other using accessory 0300360011. In this way, it
is easy to create a monitor-limiter double thermostat.
Intended use
This product is only suitable for the purpose intended by the manufacturer, as described in the "De-
scription of operation" section.
All related product regulations must also be adhered to. Changing or converting the product is not ad-
missible.
Technical appendix
Switching point accuracy
TW
At the adjustment point ±6K
RC circuitry for inductive load
For the optimum RC circuitry, see the information from manufacturers of gates, relays, etc. If this is
not available, the inductive load can be reduced by applying the following rule of thumb:
• Capacity of the RC circuitry (µF) equal to or greater than the operating current (A)
• Resistance of the RC circuitry (Ω) approx. the same as the resistance of the coil (Ω)
Materials
Material
Housing base
Housing cover
Inspection window
Thermowell (LW 7)
A
It is the responsibility of the operating company to check and verify that the thermowell materials are compati-
ble with the fluids in which they are submerged.
Sensor medium
Up to 160 °C
Based on the available information, when used as intended, the product is not dangerous as per Di-
rective 67/548/EEC.
Right of amendment reserved © 2018 Fr. Sauter AG
5.1
STW, TB, STB
At the adjustment point 0/-9 K
PA
ABS
PMMA
Brass (CuZn)
Stainless steel (CrNi)
Silicone oil
21.700
3/6
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