Snap Action Switch SPST 15A 125VDC Screw Terminal Plastic Plunger
Switch Snap Action N.O./N.C. SPDT Lever Solder 10A 250VAC 250VDC 186.42VA 0.54N Screw Mount

Inductive sensor 2 mm NAMUR break contact Cable 10 cm 8 VDC -20. . .+100 °C, NJ2-V3-N, Pepperl+Fuchs