4 Pin 12mm Square Push Button Tact Switch with Blue Knob, Blue Cap, Microswitch, Mini Switch, Micro Switch, Reset Switch, Tactile Switch
What is a 4 Pin Switch? - YouTube
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4 Pin Platz Push Button Switch Mit 12v Led - Buy Platz Pbs,Push-taste Schalter Verdrahtung Bild,12x12 Push Button Micro Schalter Product on Alibaba.com
Tactile Pushbutton Switch 4 Pin - With Red LED Lighting - LS12x12RED
4,5x4,5mm Panel PCB Momentary Tactile Takt Mini Push Button Switch DIP 4pin 4,5x4,5 x3.8/4.3/5/6/7/8/9/10 MM 4.5*4.5*3,8 MM 10MM|Schalter| - AliExpress