Proximity sensor SIED-M18B-ZO-S-L With plug, flush mounting Design=Round, Conforms to standard=EN 60947-5-2, Authorisation=(* RCM Mark, * c UL us - Listed (OL)), CE mark (see declaration of conformity)=(* to EU directive for EMC, * to EU directive low-voltage devices), Materials note=Free of copper and PTFE