Switches 3WPS Industrial Pressure Switch 152 Tel: 1-800-WINTERS / www.winters.com WINTERS INSTRUMENTS Description & Features: • Piston-type pressure switch • 30 to 1,600 psi pressure range • SPDT switch • Simple set point adjustment, SPDT snap action • Anodized aluminum construction with Buna-N wetted parts • ±2% of the adjustable range accuracy • NEMA 4, IP65 enclosure rating (NEMA 4X optional) • CSA approved and PED compliant • 1 year warranty Applications: • Suitable for pump and compressor monitoring, HVAC systems and general industrial applications Specifications Housing Material Anodized aluminum Accuracy ±2% of the adjustable range Pressure Connection 1/4” NPTF Electrical Connection 1/2” NPTF conduit connection with screw terminals Wetted Parts Aluminum and Buna-N (Teflon ® or Viton ® diaphragm optional) Set Point Adjustment Self locking adjustment nut Deadband Fixed Contact Rating 10 amps @ 125/250/480 Vac 0.05 amps @ 125 Vdc 0.03 amps @ 250 Vdc (standard for 30, 85 and 340 ranges) No. of Contacts One, SPDT Ambient Temperature -20°F to 165°F (-29°C to 74°C) Storage Temperature -40°F to 200°F (-40°C to 93°C) Enclosure Rating NEMA 4, IP65 (NEMA 4X optional) Approvals CSA, PED 97/23/EC compliant, UL (switch only) Weight 3.75 lbs Viton ® is a registered trademark of DuPont Performance Elastomers Teflon ® is a registered trademark of DuPont Corporation Wiring Diagram Adjustable Range Approximate Deadband (Actuation value) psi (bar) Proof Pressure psi (bar) NEMA 4 Code NEMA 4X Code Decreasing psi (bar) Increasing psi (bar) Min Max Min Max 0.5 (0.03) 28 (1.9) 1.5 (0.1) 30 (2) 0.4-2 (0.03-.13) 2,000 (133) 3WPSH030N4 3WPSH030N4FX 3 (0.2) 78 (5.2) 4.5 (0.3) 85 (5.7) 0.8-7 (0.05-0.5) 2,000 (133) 3WPSH085N4 3WPSH085N4FX 6 (0.4) 318 (21) 10 (0.6) 340 (23) 2-22 (0.13-1.5) 2,000 (133) 3WPSH340N4 3WPSH340N4FX 25 (1.7) 583 (39) 27 (1.8) 600 (40) 2-17 (0.13-1.1) 2,000 (133) 3WPSH600N4 3WPSH600N4FX 400 (27) 1,520 (101) 480 (32) 1,600 (107) 20-80 (1.3-5.3) 2,000 (133) 3WPSH1600N4 3WPSH1600N4FX Order Codes

3WPS Industrial Pressure Switch · Switches 3WPS Industrial Pressure Switch 152 Tel: 1-800-WINTERS / WINTERS INSTRUMENTS ... systems and general industrial applications Specifications

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3WPS Industrial Pressure Switch

152 Tel: 1-800-WINTERS / www.winters.com WINTERS INSTRUMENTS

Description & Features:• Piston-typepressureswitch• 30to1,600psipressurerange• SPDTswitch• Simplesetpointadjustment,SPDTsnapaction• AnodizedaluminumconstructionwithBuna-N wettedparts• ±2%oftheadjustablerangeaccuracy• NEMA4,IP65enclosurerating(NEMA4Xoptional)• CSAapprovedandPEDcompliant• 1yearwarranty

Applications:• Suitableforpumpandcompressormonitoring,HVAC systemsandgeneralindustrialapplications

SpecificationsHousing Material AnodizedaluminumAccuracy ±2%oftheadjustablerange Pressure Connection 1/4”NPTFElectrical Connection 1/2”NPTFconduitconnectionwithscrewterminalsWetted Parts AluminumandBuna-N(Teflon®orViton®diaphragmoptional)Set Point Adjustment SelflockingadjustmentnutDeadband Fixed

Contact Rating10amps@125/250/[email protected]@250Vdc(standardfor30,85and340ranges)

No. of Contacts One,SPDTAmbient Temperature -20°Fto165°F(-29°Cto74°C)Storage Temperature -40°Fto200°F(-40°Cto93°C)Enclosure Rating NEMA4,IP65(NEMA4Xoptional)Approvals CSA,PED97/23/ECcompliant,UL(switchonly)Weight 3.75lbs

Viton®isaregisteredtrademarkofDuPontPerformanceElastomersTeflon®isaregisteredtrademarkofDuPontCorporation

Wiring Diagram

Adjustable Range Approximate Deadband (Actuation value)

psi (bar)

Proof Pressurepsi (bar)

NEMA 4Code

NEMA 4X CodeDecreasing psi (bar) Increasing psi (bar)

Min Max Min Max0.5 (0.03) 28 (1.9) 1.5 (0.1) 30 (2) 0.4-2 (0.03-.13) 2,000 (133) 3WPSH030N4 3WPSH030N4FX

3 (0.2) 78 (5.2) 4.5 (0.3) 85 (5.7) 0.8-7 (0.05-0.5) 2,000 (133) 3WPSH085N4 3WPSH085N4FX6 (0.4) 318 (21) 10 (0.6) 340 (23) 2-22 (0.13-1.5) 2,000 (133) 3WPSH340N4 3WPSH340N4FX

25 (1.7) 583 (39) 27 (1.8) 600 (40) 2-17 (0.13-1.1) 2,000 (133) 3WPSH600N4 3WPSH600N4FX400 (27) 1,520 (101) 480 (32) 1,600 (107) 20-80 (1.3-5.3) 2,000 (133) 3WPSH1600N4 3WPSH1600N4FX

Order Codes