FL 693-M2 is a metal ram limit switch from the Pizzato brand. It is designed for use in machinery control and automation applications, and provides automatic stop control in a range of different machinery, such as hoists and cranes. The switch is extremely durable, featuring a metal housing and robust mechanical design. It is resistant to corrosion, rust and abrasion, and is designed to work in industrial environments. Additionally, the switch is UL and cUL certified, and has an IP67 rating. The switch has an adjustable travel and an adjustable reset torque, allowing for precision control.