Sensor box SRBE-CA3-YR90-MW-22A-1W-C2M20-EX For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, electromechanical measuring principle. Design=Angular, Based on the standard=(* ISO 5211, * VDI/VDE 3845), CE mark (see declaration of conformity)=(* to EU directive explosion protection (ATEX), * to EU directive low-voltage devices), ATEX category Gas=II 2G, Explosion ignition protection type Gas=Ex db IIC T6 Gb