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The category temperature protection includes irreversible temperature protection, PTC thermistors, temperature switches with self-hold, automatic or manual reset.

The area of application of these components Is from -45°C to +425°C.

Temperaturschalter und Temperatursicherungen Temperature Protection

Temperature Protection

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The temperature controllers from Alpha Therm include small and cost-effective bimetal controllers with up to 2 million switching cycles as well as a wide range of electronic temperature & humidity controllers.

Mechanische und elektronische Temperaturregler Temperature controller

Temperature Controlling

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The temperature sensor category includes NTC and PTC thermistors as well as platinum measuring resistors (Pt100, Pt1000) and temperature sensors made of these components. These high-precision components change their resistance value with increasing or decreasing temperature and can be used depending on the type from -200°C to + 850°C.


Pt100, Pt500, Pt1000, NTC & PTC Thermistor, KTY Temperature Sensors

Temperature Sensors

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Alpha Therm's NTC and PTC thermistors and resettable fuses, called Polymer PTCs or PPTCs, are under the category of overload protection.

Überlastschutz NTC & PTC Einschaltstrombegrenzer, Polymer PTC Overload protection

Overload Protection

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Suppressor diodes, metal oxide varistors and gas arresters are among the components that Alpha Therm offers for reliable overvoltage protection.

Varistor, Gasableiter, Suppressor- & Zenerdioden Surge protection

Over Voltage Protection

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Functionality and reliability are combined in Alpha Therm's wide range of mechanical switches and buttons.

With customized design and high quality standards, these cost-effective components convince.

Schalter & Taster Mechanical switches

Buttons & Switches


α Therm


Alpha Therm GmbH - Your specialist for temperature-limiting

safety components, sensor elements or sensors

© 2018 Alpha Therm GmbH

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Phone: +49 6202 / 575688 - 0

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Temperature protection

Temperature Protection

Overload protection

Overload protection

Surge protection


Surge protection

Temperature sensor elements

Temperature Sensors

Temperature controller

Temperature controller

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Mechanical switches

Mechanical switches