Solid State Relays - Industrial Mount Photocoupler 100-120VAC w/Indic
Industrial Panel Mount Indicators / Switch Indicators LAMP/LED PUSHBUTTON
Low Signal Relays - PCB ThruHole Sealed 1A DPDT 9VDC 200mW
Optical Switches, Transmissive, Phototransistor Output 5MM SLOT PMS L/D-ON PNP