A 6A Micro Switch With Roller Arm, also trademarked and frequently known as a micro switch, designed as an electric switch. These switch actuated by very little physical force, through the use of a tipping-point mechanism, sometimes called an “over-center” mechanism. These switches offer a wide range of applications in home appliances and switch panels with small buttons. As they are highly reliable and sensitive, micro switches are often used as safety devices. They are used to prevent doors from closing if something or someone is in the way and other applications similar.
This Micro Switch with Roller Lever designed as a small snap action switch with a round wheel at the end of a lever. The lever used to press a tiny momentary push button. Meanwhile, these switches used to create bump sensors for robots or as limit switches for various electronics projects. They are basically SPDT Single Pole Double Throw switches. And used as NO Normally Opened or NC Normally Closed, depending on the terminals used.