Siemens 3SE5000-0AD05 Enclosure width 40 mm acc. to EN 50041. Siemens 3SE5000-0AD05 is the exact printed commercial reference for a limit or safety switch in the SIRIUS 3SE range. Siemens' official product description is: Actuator head plastic for position switch 3SE5132 Roller plunger, Form C, with Plastic roller 13 mm according to EN 50041.