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Thermal fuses protect a system against excessive ambient temperature. After reaching the set maximum degrees Celsius (in contrast to fuses which react to electric current), the thermal fuse disconnects the circuit and as a consequence protects the device or installation from being damaged. This element works only once which means that after interrupting the electric current flow, you have to replace the component before restarting it. Its construction is based on a meltable input (from metal or polymer compounds) that holds a spring. After reaching the set temperature, the spring is released and separates contacts, which in turn interrupts the circuit. Thanks to the development of technology, the range of safe working temperature is really wide - it can reach even up to 240 degrees Celsius. The thermal fuse can be characterised as having a very low resistance and ability to conduct large alternating currents, up to 15-20A. Its price is usually low but at the same time it is efficient in many systems. Fuses of this type have been used in transformers, industrial machines and everyday equipment like a dryer or a coffee machine.

Thermal fuses in TME offer

The TME offer includes a wide range of different types of thermal fuses. The basic criterion in the selection of the product should be its working temperature - this is a single-use item, so it is important to choose appropriate temperature value (the burnout value can reach even 240 degrees Celsius.). It is also advisable to look at current rating which ranges from 1A to 16A, depending on the variant. Transfer Multisort Elektronik distributes components of such manufacturers as Eska, Proffuse or Schott.

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