The 6900GZEM Series is our most popular, h6900GZEM18-7066ardous area pressure switch, DPDT with a stainless steel port for corrosion resistance. The series is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified. NEMA 4X and IP66 rating is optimum for wet conditions. It is designed with high vibration and shock resistance utilizing Dual Snap® disc spring technology ensuring high accuracy and repeatability. It comes with high over-pressure capabilities and still relatively compact in size to conveniently mount on panels. It meets the demand for all applications commercial, industrial and otherwise. Applications include: • Oil & Gas • Power Generation • Fluid Management • Chemical Refining and Processing • Manufacturing Process • Utilities, Water Treatment and Waste • Safety Systems Environmental Approvals IP65, IP66, NEMA 4, NEMA 4X, NEMA 7, NEMA 9, NEMA 13, NACE, SIL, RoHS Industry Industrial Instrumentation Pressure Switch Environment H6900GZEM18-7066ardous Certification Agency Approvals UL, CSA, CE, CRN, CCC, DUAL SEAL Operating Temperature Range -40° to 186 °F Process Connection Fitting Size Female 1/2" NPT Process Connection Material Stainless Steel Housing Enclosure Aluminum Electrical Connection Male 1/2" NPT Electrical Switch Type DPDT Voltage Electrical Rating VAC 0 to 250 VAC Amperes Electrical Rating 0.5 to 11 A Junction box app 141-18, 141-19, 141-20, 141-28 Fixed or Adjustable Set Point Adjustable Presetting Factory Set, Not Factory Set Tagging Mylar, Stainless Steel Accessories Manifold, Mounting Kit Increasing Pressure Range 3 to 20 PSIG, 9 to 75 PSIG, 18 to 150 PSIG, 45 to 375 PSIG, 300 to 1000 PSIG, 700 to 2500 PSIG Decreasing Pressure Range 1 to 18 PSIG, 15 to 345 PSIG, 225 to 925 PSIG, 3 to 69 PSIG, 520 to 2320 PSIG, 6 to 138 PSIG Pressure Type Gage Media Oil Based, Non-Oil Based Increasing Pressure Ranges 3 – 180 PSI, 180.01 – 3400 PSI Decreasing Pressure Ranges 0 – 1.15 PSI, 1.16 – 173 PSI, 173.01 – 3180 PSI Maximum System Pressure 500, 1500, 2000, 3000 Maximum Proof Pressure 750, 2000, 3000, 4500 Process Connection Seal O-Ring Sealed Diaphragm Diaphragm Stainless Steel O-ring Viton