Proximity Sensor SIED-M18NB-ZS-K-L-PA With cable, non-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