Switch, triple pole double throw, illuminated paddle, http://www.nkkswitches.com/pdf/gwillum.pdf switch single-pole double-throw ON-OFF-ON D Single Pole Single Throw (SPST) switch, small symbol D 5x DIP Switch, Single Pole Single Throw (SPST) switch, separate symbol D 5x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 5x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 7x.