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Micro Switch can be used for many different applications and are suitable for a range of industries. A Micro Switch is a small, very sensitive switch which requires minimum compression to activate. They are very common in home appliances and switch panels with small buttons. They are typically inexpensive and have a long life meaning they can function for a long time – sometimes up to ten million cycles. Because they are reliable and sensitive, micro switches are often used as a safety device. They are used to prevent doors from closing if something or someone is in the way and other applications similar.

Micro Switches have an actuator which, when depressed, lifts a lever to move the contacts into the required position. Micro switches often make a "clicking" sound when pressed this informs the user of the actuation. Micro switches often contain fixing holes so that they can be easily mounted and secured into place. Because they are such a simple switch they require virtually no maintenance and they rarely need replacing due to their long life.

As stated above, the main advantage of using a micro switch is their inexpensiveness, along with their long life and low maintenance. Micro Switches are also versatile. Some micro switches offer a protection rating of IP67 which means they are resistant to dust and water. This enables them to work in conditions which they are exposed to dust and water and they will still function correctly.
A rocker switch with independent circuitry can have a light activated on the face of the switch in both the on and off positions, which allows the switch to be found easily in the dark. With dependent circuitry, the light is activated only when the switch is on.

A rocker switch toggles between one of two states, often on or off. It is commonly used in homes for light switches because it is very easy to operate and requires little motor skills and pressure to activate, making it easy to find and use even in the dark.

As with other types of switches, a number of features can be included in a rocker switch, such as indicators or a bigger switch surface to make it easier to find in the dark. Indicator lights allow users to see the state of the switch, with most cheap switches only having an "on" indicator light. Special rocker switches that are used as toggle switches for different modes or states aside from on or off usually have different indicator lights for each mode or state.