Sensor box SRBE-CA3-YR90-N-1-N-C2M20-EX For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, inductive measuring principle. Design=Angular, Based on the standard=(* EN 60947-5-2, * ISO 5211, * VDI/VDE 3845), Authorisation=RCM Mark, CE mark (see declaration of conformity)=(* to EU directive for EMC, * to EU directive explosion protection (ATEX)), ATEX category Gas=II 2G