6DR5320-0NG00-0AA2 SIEMENS SIPART PS2 smart electropneumatic positioner for pneumatic linear and part-turn actuators; 2-,3-,4-wire; 4...20mA; double action; polycarbonate enclosure Standard Without explosion protection. Connection thread el.: M20x1.5 / pneu.: G 1/4 Without limit monitor. Without option module. . Brief instructions English / German / Chinese. Standard / Fail-Safe - Depressurizing the actuator in case of failure of electrical auxiliary power (single acting only). Manometer block aluminumG¼, double-acting with plastic manometer IP31 (MPa, bar)