Reliable Safety with Normally Closed Switches A normally closed switch keeps the circuit active until triggered, making it vital for safety systems and automation controls. Commonly used in emergency stops and protection circuits, it disconnects power instantly when activated. Built for precision and longevity, this switch ensures dependable performance in high-stakes electronic and mechanical environments. Visit us: https://internetforum.io/what-is-a-normally-closed-switch-and-where-is-it-used/