OMRON provides Touch Switches with a high contact reliability for microloads and solid-state Touch Switches cylindrical or limit-type actuators.
There are 3 products of Touch Switches.
Mechanical Touch Switch
D5B
Detects Objects in Multiple Directions with High Sensitivity, Ideal for Robotics
Touch Switch
D5C
Unique 18-mm-dia. Capacitive Touch Switch with Choice of Three Actuators is Activated with Only a Very Slight Physical Contact
Limit Touch Switch
NL
Object Actuates Switch and Turns Built-in Monitor Indicator ON