Purpose Timer, 555 compatible, PDIP-8"/> Switch, triple pole double throw D Switch, triple pole double throw, center OFF position K switch dual-pole double-throw DPDT spdt ON-ON D Double Pole Single Throw (SPST) switch, small symbol D 7x DIP Switch, Single Pole Single Throw (SPST) switch, small symbol D 10x DIP Switch, Single Pole Single Throw (SPST) switch with signal lamp, generic K switch sp3t ON-ON-ON D Switch, three position, single pole double throw, separate symbols"/>