"Sensor box SRBE-CA3-YR90-R-2A-1W-C2N12-C1 For electrical feedback and position monitoring of process valves actuated with pneumatic quarter turn actuators, magnetic reed measuring principle. Design=Angular, Based on the standard=(* EN 60947-5-2, * ISO 5211, * VDI/VDE 3845), 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, * Aex nA IIC T5 Gc, * Ex d IIB T5 Gb, * Ex nA IIC T5 Gc)