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Application in heating. A thermal protector switch is a device that automatically cuts off the power supply of a circuit when the temperature is too high. This can prevent the circuit from overheating, damaging itself, or causing a fire. From hair dryers to computers, various electronic devices have thermal protectors. It contains a bimetallic sheet that bends when heated. This causes the contacts on the metal strip to open, thereby cutting off the current. Once the aluminum strip cools down, the contacts close again and the current can flow through the circuit again. All in all, thermal protectors provide a reliable guarantee for equipment or personal safety!
