Switches and buttons are usually used in electronic circuits and allow you to activate circuit control by turning on or off.

The functions differ according to the number of poles 1/2/3/4. The bipolar switch, the common on/off switch, interrupts both poles of the circuit and, compared to the unipolar ones, they guarantee a higher degree of protection.

They are usually grouped according to the way they are operated, by material, to have the light function or not and by application.