Siemens 3SE5000-0AA25 Enclosure width 31 mm acc. to EN 50047. Siemens 3SE5000-0AA25 is the exact printed commercial reference for a limit or safety switch in the SIRIUS 3SE range. Siemens' official product description is: twist lever for position switch 3SE52 Metal lever, 21 mm long Plastic roller 30 mm.