The LS45M51B11 is a robust limit switch designed for presence/absence detection, positioning, and travel limit applications. Housed in a 40mm wide aluminum alloy casing rated for IP66 and UL Type 4X, it is suitable for demanding industrial environments. This model features an adjustable ø 22 polyamide roller lever head designed to detect 30° cam translation movements. It has a maximum actuation speed of 1.5 m/s and requires a minimum actuation torque of 0.15 N.m. The switch utilizes a snap-action contact block with one normally open (N.O.) and one normally closed (N.C.) contact, offering precise and reliable operation with high immunity to electromagnetic disturbances.