Square D,PRESSURE SWITCH 480VAC 10AMP G +OPTIONS,-10...185 .F,0.25 inch 18 NPTF conforming to UL 508,0.5 inch NPT conduit entrance,120 operating cycles per minute (max),170...5600 psi,5600 psi,Adjustable Differential,DPDT (isolated),For Hazardous Location Usage - Explosion Proof (Indoor),NEMA 7/9,Pressure Switch,Single Stage,UL, CSA, IEC, CE-marked,air-non-corrosive liquids-hydraulic oil (-15...250 .F)-hydraulic oil (-15...250 .F)-non-corrosive gas