Sensor box SRBC-CA3-YR90-N-20N-ZC-C2P20-EX4 for electrical feedback and Position monitoring of process valves which are actuated with pneumatic quarter turn actuators. Design=Angular, Based on the standard=(* EN 60947-5-6, * 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