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Temperature switches

Temperature switches are used in a variety of industrial and technical processes. If a preset temperature is reached, then the temperature switch opens or closes a corresponding switch contact. Depending on the requirements, mechanical or electronic switches can be used. In WIKA's broad product range, you will find the right temperature switch for every application.

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+359 2 8213810
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info@wika.bg
FAQ
All FAQ

What do the terms hysteresis/switch differential/dead band mean with pressure or temperature switches?

The three terms refer to the difference between the switch point and the reset point. At the switch point, the switch changes the connected circuit through its activation. At the reset point, the original status is restored. It is basically essential.

Why should Pt100 measuring circuits with reduced tolerance class A or AA per DIN EN 60751 be used in at least a 3- or 4-wire connection?

The 2-wire connection is not permissible for classes A and AA per DIN EN 60751 since here the internal lead resistance of the wires is added to the measured value. This will usually exceed the specified tolerance for the temperature sensor. A measurement of the cab ... More

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