The Garland GLG01137 Roller Lever Microswitch W/1" MT Centers 20 AMP 125/250/480V is an electrical control component designed to detect mechanical movement and activate or deactivate circuits in compatible commercial equipment. It operates through a roller lever actuator that responds to physical contact, providing accurate and consistent switching performance. Rated for up to 20 amps... https://partsfe.com/glg01137-garland-switch