The absolute singleturn encoders 5853FS3 and 5873FS3 are suitable for use in safety-related applications up to SIL3 according to EN 61800-5-2 or PLe according to EN ISO 13849-1. The specially interlocked bearings in the Safety Lock? design, the high integration density of the OptoASIC-based components and the stable die-cast housing make them perfect for demanding outdoor applications up to IP67.