Switch Push Button N.O./N.C. DPDT Round Plunger 1A 125VAC 28VDC 0.4VA Momentary Contact PC Pins Bracket Mount/Through Hole
Switch Push Button N.O./N.C. SPDT Round Plunger 5A 125VAC 28VDC 0.4VA Momentary Contact PC Pins Bracket Mount/Through Hole
Pushbutton Switch, SPDT, Momentary, 5A, 28VDC, 7 PCB Hole Cnt, Solder Terminal, Through Hole-straight

Optocoupler DC-IN 1-CH Transistor With Base DC-OUT 5-Pin SOP T/R