The micro switch is a contact mechanism with a small contact interval and a snap-action mechanism. Generally speaking, it is a contact mechanism that performs the switching action with a specified stroke and a specified force. It is also called sensitive switch. The electrical text symbol is SM.
Although the micro switch is small, it plays an irreplaceable role in our daily life and realizes automatic control and safety protection in equipment that requires frequent circuit switching. At present, it has been widely used in electronic equipment, instrumentation, mining, power systems, household appliances, as well as aerospace, aviation, missiles, tanks and other military fields.
The contact distance of the micro switch is small, the action stroke is short, the pressing power is small, and the on-off is fast. The action speed of the moving contact has nothing to do with the action speed of the transmission element.
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