"Sensor box SRBE-CA3-YR90-MW-22A-1W-C2N12-C1 For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, electromechanical measuring principle. Design=Angular, Based on the standard=(* EN 60947-5-1, * ISO 5211), CE mark (see declaration of conformity)=to EU directive low-voltage devices, ATEX category Gas=II 2G, Explosion ignition protection type Gas=(* AEx d IIB T5 Gb, * Ex d IIB T5 Gb)