A Guide to Rocker Switches

These switches are sold in many different formats and styles, which have different advantages and limitations in various applications and device types. Some of the most common variants are:On-offOn-onIlluminated rockerRound rockerPower rockerMomentaryPushbuttonChangeoverCentre-off switchOn-NONE-Off / On-NONE-OnE-switchMiniature rocker switch (often sold in mm sizings)High inrush rocker switchesIn the following sections, we will take a look at some of the above styles in more detail.On-OffAn on-off (or off-on) switch allows the user to select between on and off positions for power delivery to one or more circuits simultaneously. Components sold as on-off rocker switches will typically have just those two positions available although you can also buy on-on versions for more specific applications.IlluminatedMany rocker switches feature embedded illumination to show whether or not power is being sent to a circuit in a given position. These sorts ofbuilt-in LEDindicators on illuminated rock...