Barksdale pressure switch Model: D2X-H18SS-EX Adjustable range: 0,05 to 1,5 bar Max. pressure: 3 bar Proof pressure: 4 bar Process connection : 1/4" NPT F Contact: 2x SPDT Housing: IP65 Explosion proof ATEX EX II 2 GD Eex d IIC T6 Part nr.: 0401-452