¡El hazardous locations 611GE Series is an economical, compact sized, all aluminum gage pressure switch. It is UL/CSA explosion proof, Class I, Groups A, B, C and D, and Class II Groups E, F and G certified. It is modeled after our flagship 6900 Series with the same level of performance and quality but designed for applications where space and cost are a concern. It has high vibration and shock resistance utilizing Dual Snap® disc spring technology. 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 7, NEMA 9, NEMA 13, SIL, RoHS Industry Industrial Instrumentation Pressure Switch Environment Hazardous Certification Agency Approvals UL, CSA, CE, CRN Operating Temperature Range -40° to 186 °F Process Connection Fitting Size Male 1/4" NPT Process Connection Material Aluminum Housing Enclosure Aluminum Electrical Connection Male 1/2" NPT Electrical Switch Type SPDT 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, Fixed Presetting Factory Set, Not Factory Set Tagging Mylar, Stainless Steel Accessories Manifold Increasing Pressure Range 1.5 to 12.1 PSIG, 1.5 to 25 PSIG, 12.1 to 30 PSIG, 26 to 80 PSIG, 30.1 to 70 PSIG, 70.1 to 180 PSIG, 81 to 180 PSIG Decreasing Pressure Range 0.75 to 11.35 PSIG, 1 to 23 PSIG, 10.1 to 28 PSIG, 23 to 73.5 PSIG, 27.1 to 67 PSIG, 63.1 to 173 PSIG, 66 to 153 PSIG Pressure Type Gage Media Oil Based, Non-Oil Based Increasing Pressure Ranges 1.16 – 2.99 PSI, 3 – 180 PSI Decreasing Pressure Ranges 0 – 1.15 PSI, 1.16 – 173 PSI Maximum System Pressure 250, 500 Maximum Proof Pressure 500, 1000 Process Connection Seal O-Ring Sealed Diaphragm Diaphragm Polyimide O-ring Buna N