"Sensor box SRAP-M-CA1-YB270-1-A-TM20 Analogue feedback signal from 4?.20mA for monitoring process valves actuated with pneumatic quarter turn actuators. Design=Angular, Based on the standard=VDI/VDE 3845 (NAMUR), Authorisation=(* RCM Mark, * c UL us - Recognized (OL)), CE mark (see declaration of conformity)=to EU directive for EMC, Materials note=Conforms to RoHS