Metal Oxide Varistors


Varistors from

Alpha Therm, for reliable protection against overvoltage.


Surge Protection

Metalloxidvaristor MOVBlockvaristor MOVMetalloxid-Varistoren

Gas Discharge Tube



Gas Discharge Tubes are used for protection against extreme surges.


Metalloxid-Varistoren

Transient Voltage Suppressor Diodes


A transient-voltage-suppressor diode can respond to over-voltages faster than other common over-voltage protection components such as varistors or gas discharge tubes (GDT).


Metalloxid-Varistoren


α Therm


Alpha Therm GmbH - Your specialist for temperature-limiting

safety components, sensor elements or sensors

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Temperature protection

Temperature Protection

Temperature sensors

Temperature sensors

Overload protection

Overload protection

Surge protection

Surge protection

Temperature sensor elements

Temperature sensor elements

Temperature controller

Temperature controller

Mechanical switches

Mechanical switches

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