Normally closed thermal switch

What is a Normally Closed Thermal Switch? So, in the standard switch since it is not powered on then all of the current does circuit through. Pending, A normally closed thermal switch are on when off and accordingly stream vitality to it. According to the heater, when there is too much heat surrounding it this switch will keep open and cause a break into that flow of electricity. Given that this is very important as it ensures things are secure and stops devices from overheating which could lead to breakage


So, how does a normally closed thermal switch work? A bimetal strip and a spring-loaded contact make up the two key components in this switch. A bimetallic strip is nothing but two dissimilar metals are used in this construction. When heated, each metal expands at a different rate. How this strip is fixed, one end of the same is connected to spring loaded contact and other end band don´t move.

How Does a Normally Closed Thermal Switch Work?

As the temperature surrounding the change is raised over a particular point, one of both steels bumps up and also in truth rests from its various other along with that metal lead it starts to avoid which breaks out through your switch. When you apply force to the strip, it bends at that predetermined point into an angle which pulls the contact away from where it is fixed and doesn't allow a circuit or electrical connection. Anran electrical thermal switch will remain open until the temperature goes back down. In this case, the bimetal strip will return to its initial demeanor and allow the contact switching off once more. This circle keeps the device secure and save to overheat


Long story short, normally closed thermal switches are used everywhere and that is due to their high level of safety as well as reliability. They are often used in household appliances like fridges, ovens and space heaters. It assists in reducing overheating and fires, therefore safeguarding our homes. They are also used in motors to prevent them from becoming overheated, and eventually burning out too.

Why choose Anran Normally closed thermal switch?

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