SIPART PS2 Smart, electropneumatic positioner, 4...20mA, Ex/nEx, single-acting, polycarbonate enclosure, for pneumatic linear and part-turn actuators. Non-contacting (wear-free) position detection (NCS). . Type of protection (Ex): Intrinsic safety (Ex i). Output isolator SITRANS I200 separately orderable (7NG4131-1AA00). Connection thread el.: M20x1.5 / pneu.: G 1/4 Without limit monitor. Analog Output Module (AOM), analog position feedback 4 ... 20 mA. Device plug M12 optionally orderable with -Z D53. Isolating power supply SITRANS I100 separately orderable (7NG4124-1AA00). . Brief instructions English / German / Chinese. Standard / Fail-Safe - Depressurizing the actuator in case of failure of electrical auxiliary power (single acting only). Manometer block aluminum G¼, single-acting with plastic manometer IP31 (MPa, bar)