Mechanical Life Span Of Micro Switch

A micro switch, also known as a miniature snap action switch, is a type of momentary contact switch used widely in automotive, industrial and medical instruments as a sensor. The switch is termed as “micro” on the name of the company that first started manufacturing it commercially.

The actuator of these switches often has a hinged wheel placed above a push button. This switch is widely used in control system applications such as door interlocks, safety switches in elevators, vending machines etc. Having a diverse range of engineering applications, micro switches are available in various switch configurations, housing materials, actuator styles etc.

As a widely applicated switch, It can be replicated in automobile electronic products, communication equipment, military products, test instruments, gas water heaters, gas stoves, small appliances, microwave ovens, rice cookers, floating ball equipment, medical equipment, building automation, electric Tools and general electrical and radio equipment, etc. The mechanical life of micro switches ranges from 30,000 to 10 million times, generally 100,000, 200,000, 500,000, 1 million, 3 million, 5 million, and 8 million times. 

Generally, beryllium bronze, tin bronze, and stainless steel wire are used as reeds. Some reeds abroad are made of the rare metal titanium and can reach up to 10 million times.

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