Sensor Box Srbe-Ca3-Yr90-Mw-22A-2W-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, Festo