100 Series flow switch monitor cooling fluids or other liquid flows and trip an internal relay if the flow rate falls below an adjustable trip point. Acting as both a liquid flow switch( fluid flow switch) and a flow switch for water, these devices can trigger an alarm or shut down operations to prevent equipment damage, ensuring operational integrity and safety in industrial settings. The relay can be used to sound an alarm or shut down a system or process before damage is done to valuable equipment and products.