Electronic Circuits and Tutorials
Electronics Component - Switches Tutorial

Mercury Tilt Switch

The mercury flows inside, & when the switch is tilted a certain way, it will connect the 2 contacts. In the above illustration, it's shown in the closed position.

Mercury Tilt Switch Diagram

Mercury Tilt Switch Diagram

This mercury switch purpose is to allow or interrupt the flow of electric current in an electrical circuit in a manner that is dependent on the switch's physical position or alignment relative to the direction of the "pull" of earth's gravity.

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