Tech Tip: Switches typically have 2, 3, 4, 6, 9, or 12 contacts, although this can vary if there are additional dummy pins, illumination features, or custom functions. Relays are similar but include additional pins for the input coil(s).
ON is Latching; (ON) is Momentary
NONE: Actuator does not stop in that position
OFF: Actuator stops in that position, no electrical connection
Various Switch Actuators:
Per page 6/20, 10/20, 9/20, 14/20, 15/20:
https://www.digikey.com/en/ptm/n/nkk-switches/switch-basics/tutorial
See Also:
Switch Circuits and Functions
Switch Glossary of Terms | E-Switch.com
Summary
switch circuit
function
functions
switch function
poles
throws
latching
momentary
Spst
Spdt
Dpst
Dpdt
3pdt
4pdt
Toggle
Rocker
Push button
Pushbutton
Paddle
Slide
Rotary
Rotaries
Key lock
Keylock
Dip
Nkk
Momentary
Latching
Relay