The Waterproof Micro Switches
The waterproof micro switch is widely used in various cold, wet, dust and harsh environments. It has the unique effect of being waterproof and moisture-proof. The waterproof micro switch is a contact structure with a minute contact interval and quick-moving mechanism, and performing switching operations with a predetermined stroke and a predetermined force, and is covered with a casing. The waterproof switch has a drive rod outside thereof.
In the type of waterproof micro switch, compared with the semiconductor switch with the characteristics of the waterproof micro switch, the switch’s function is achieved by the mechanical switch of the contact. The principle of the waterproof micro switch is to apply an external mechanical force on the action spring by the transmission element (by pin, button, lever, roller, etc.). When the reed moves to a critical point, it has a transient effect. The moving contact is quickly opened or closed at the end of the action reed.
When the force on the transmission element is disassembled, the action spring generates a counterforce. When the reverse stroke of the transmission element reaches the critical point of spring action, the reverse action is instantaneous. The micro switch has a small contact distance, a short stroke, a small power, and a fast switching speed. The speed of the moving contact is independent of the speed of the transmission element.
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