The micro switch is a contact mechanism with a small contact spacing and a quick action mechanism, with the specified stroke and the specified force for the switch action, covered with a shell, and a switch with a driving rod outside, because the contact spacing of the switch is relatively small, so it is called a micro switch, also known as a sensitive switch.
D2F Extremely Subminiature Basic Switches - Basic Switches
Also known as sensitive switch, snap-action switch. Press-driven quick switch-off. It is used for door switches in anti-theft systems, etc. Classification of micro switches: There are many types of micro switches, and there are hundreds of internal structures, including ordinary type, small and ultra-small according to the volume; According to the protection performance, there are waterproof type, dustproof type, explosion-proof type; According to the form of breaking, there are single-connection type, double-connection type, and multi-connection type.
There is also a strong disconnect micro switch (when the reed of the switch does not work, an external force can also disconnect the switch); According to the breaking capacity, there are ordinary type, DC type, microcurrent type, and high current type.
According to the use environment, there are ordinary type, high temperature resistant type (250 °C), and super high temperature resistant ceramic type (400 °C)
Micro switches are generally based on non-auxiliary press accessories, and are derived from small stroke type and large stroke type. Different auxiliary pressing accessories can be added according to the need, and the switch can be divided into various forms such as button type, reed roller type, lever roller type, short boom type, long boom type and so on.
In terms of size, there are small, ultra-small, super small, etc. Functionally, there is a waterproof type. The most common application is the mouse button.
(1) Small micro switch: the general size is 27.8 long, 10.3 wide, 15.9 high, and the parameters are high capacity, low load and other different changes.
(2) Ultra-small micro switch: the general size is 19.8 long, 6.4 wide, and 10.2 high, with different performance of high precision and long life.
(3) Super miniature micro switch: the general size is 12.8 long, 5.8 wide, 6.5 high, and there is an ultra-thin design in this type.
(4) What is the difference between a waterproof tactile switch and a micro switch?
The general contact method of the tact switch is the click type, the instantaneous connection and disconnection, the function is relatively simple, and it is usually suitable for the single opening and closing of micro-electrical products (click to turn on and release the disconnection) and the micro switch function is more diversified, it can be normally switched into a circuit, it can also be normally open, and it can also be used as a detection switch, and the cost is relatively high, in other words, the micro switch can completely replace the tact switch to use, and the most important thing is the cost of volume structure.
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