PRESSURE SWITCH

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1、®VickersAccessoriesPressureSwitchesS*307SeriesSectionalArrangementFunctionalSymbolST307-V2-AS-H2exampleISO4400Pressureswitchconnectorsymbol2323P11SupplyPin1NormallyclosedPin2NormallyopenPin3SwitchesinthreepressureadjustmentGeneralDescriptionFeaturesandBenef

2、itsrangesareavailableforpanelorbaseArangeofpiston-operatedpressuremountingwithG1/4I(BSPF)orSAE/UNFFSwitchingaccuracylessthan1%ofswitchesforgeneralapplicationswhereanportconnection,orforsubplatemounting.pressuresettingelectricalsignalisneededtoindicateaAdjus

3、tmentoptionsarescrewdriverorFLowhysteresisgivenpressureconditioninahydraulichandknob(bothwithlockingscrew)orFSuitableforACorDCcurrentcircuit.handknobwithkeylock.PressureswitchesFGalvanicgold-platedsilverswitcharesuppliedcompletewithanISO4400contactsforlongl

4、ifeThemicroswitchisactuatedbythe(DIN43650)typeconnectorplug.FSmall,easytoinstalloperatingplateofanadjustableloadingFElectricalprotectiontoIEC144spring.ThespringloadholdstheoperatingSeparatestackingadaptorblockstoclassIP65plateagainsttheswitchuntilappliedISO

5、4401size03areavailabletoallowFSelectrequirementsfrom:hydraulicpressureonasmallpistonforcespressureswitchestobeinstalledinto3pressurerangestheoperatingplateawayfromtheswitchtocompactstackassembliesusingVickers3adjustmenttypeschangeovertheswitchcontacts.TheSy

6、stemStakTMvalves(seecatalog2027).3mountingstylesswitchwillresetwhenthehydraulicLockingscrewandkeylockoptionspressurefallsbyasmalldifferential.March1996GB-2166AModelCodeForPressureSwitchesS*307(-***)-(**-**-**)***(-*)-123451Hydraulicsystemconnection4Pressure

7、adjustmentrangeT=Threadedpipeconnection55=5to55bar(73to797psi)G=O-sealforsubplateconnection150=20to150bar(290to2175psi)350=20to350bar(290to5075psi)2MountingBlank=Twotappedholesforbase5Threadcombinations:mounting(typeTonly)port/mountingbolttappingsB=G1/SCH=P

8、anelmounting4I(BSPF)portand/ormetricF=SubplatemountingmountingsST307modelsonly:S=SAE6portand/orUNC3TypeofadjustmentmountingsBlank=ScrewdriverslotwithlockingsetscrewV2=Knurledhandknobwithlockingsetscrew