So what do you do? Enter the latching power circuit, often referred to as a “soft” switch. [Chris Chimienti] has recently put together a fascinating video which walks the viewer through five ...

Circuit diagrams often show transistors in switching ... of a thyristor in a circuit in How a thyristor acts as a latching switch.

photo and diagram latching switch single pole single throw (SPST) switch rocker mechanism to open or close a circuit commonly used in power strips and appliances Photo and symbol for single pole ...