KSR551GLFS is a subminiature tactile switch from the KSR Series designed for surface mount technology (SMT) applications. It features momentary action with a normally open contact arrangement and gullwing type terminals with silver plating for RoHS compliance. The switch includes a rubber actuator and IP50 sealing for environmental protection. This tactile switch is commonly used in automotive, medical equipment, industrial electronics, and smart meter applications where reliable momentary switching is required.