SIPART PS2 smart electropneumatic positioner for pneumatic linear and part-turn actuators; 2-wire; 4...20mA; double action; polycarbonate enclosure . Type of explosion protection: Intrinsic Safety Connection thread el.: M20x1.5 / pneu.: G 1/4 Digital I/O Module (DIO) Optionally available with device plug M12 (D coding) Order code: -Z D55 without option module . Brief instructions German / English / Chinese . without mounted pressure gauge block