J120-358, Adjustable Pressure Switch, 15 to 200 PSI Set Point Range, 1 to 6 PSI Fixed Deadband, 200 PSI Over Range Pressure, 800 PSI Proof Pressure, 316L Stainless Steel Bellows, 1/4"NPT Female 316L SS Pressure Connection, Single SPDT 15A 125,250,480 VAC Resistive, Internal Adjustment, Hazardous Location Explosion-Proof Pressure Switch, Class I, Division 1 and 2, Groups B, C & D, ATEX, Nema 4X Weatherproof Pressure Switch