https://www.electronicdesign.com/news/products/article/21782733/touch-sensitive-switch-has-no-moving-parts-or-electrical-contacts
Touch-Sensitive Switch Has No Moving Parts Or Electrical Contacts | Electronic Design
Fully sealed against harsh environments, operator abuse, vandalism and extreme washdown or submersion, the solid-sate Series 75 CT 1B front-mounting,...
touch sensitive switchno moving parts