Description Specifications Literature Description The E1S and E1H Econ-O-Trol Pressure Switches deliver powerful performance in a compact, economical package. Available in corrosion resistant thermoplastic or die cast aluminum, this switch measures, controls and switches pressures from vacuum to 500 psi. A snap action micro-switch eliminates the inconsistent operation of floating contacts found in similar designs. This UL recognized and CSA listed switch can be used for high and low limit control, safety shutdown and alarm functions for most industrial equipment applications. When the application is critical and space is limited, the Barksdale E1S and E1H Econ-O-Trol Pressure Switch are the ideal choice to meet your requirements.Features: Superior resolution Long life Easy setpoint adjustment Ideal for pressure or vacuum applications NEMA 1, 3 & 4 Stripped and housed versions available Applications: Medical equipment Pump & compressor monitoring Air proving in HVAC systems Irrigation systems Engine monitoring Machine tools General industrial applications Metal working Food & beverage Factory preset setpoint options are available. Contact FLW for further information. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications General SpecificationsAccuracy:± 2% of the adjustable rangeElectrical Connection:Screw terminalsPressure Connection:1/8" int & 1/2" ext NPTAdjustable RangeDecreasing - psi (bar)Increasing - psi (bar)minmaxminmax3 (.2)82 (5.5)3.5 (.2)90 (6)SwitchType:Single pole double throw (SPDT) snap action; single circuitRating:10 amps @ 125/250 VAC; 3 amps @ 480 VACWetted PartsProcess Fitting:Anodized aluminumO-Rings:Buna-N Literature & Docs Accessories