Siemens AG Snap Action, Limit Switches 3SE51620DA00

The Snap Action Limit Switch 3473-3SE51620DA00-ND features a metal enclosure measuring 56 mm in width and is designed for safety applications. It includes three M20 x 1.5 device connections and offers IP66/IP67 protection, making it suitable for harsh environments. The switch operates with slow-action contacts, providing one normally open (NO) and two normally closed (NC) contacts, with a mechanical service life of approximately 5 million cycles and an electrical endurance of 100,000 cycles at AC-15, 230 V. This limit switch has a positive opening function and a repeat accuracy of 0.05 mm, requiring a minimum actuating force of 30 N. It can handle operational currents of up to 10 A and is compatible with various conductor cross-sections. The device is designed for any mounting position and is secured via screw fixing. It is certified for functional safety and is suitable for use in machinery safety applications.