Input: 4-20mA (2 wire) Output: 3-15 Psig Air Supply: 120 Psig Process Conn: 1/4" NPT F Electrical Conn: Hirshmann Plug (Din 43650) Fail Mode: Last Position (Freeze) Certification: ATEX IS Oper Temp: -20 to 70 DegC I/P Signal Converter; Model No 422;Air Supply : Oil Free, Dry Air, Filtered to 5 microns,at least 0.7 bar Above maximum output Pressure, Flow Capacity,max : 300 Nl/min (10scfm), Input Signal : 4-20mA, Output Signal : 3-15psi, Pneumatic Connections : ¼ NPT Female,Electrical connections : 30mm Square Connector DIN 43650, Characteristic : Forward Action, Operating Temperature : -20°C to +70°C