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Levelswitchesareusedtomonitortheleveloffluidsinunpressurizedreservoirs.Variousversionsareavailabletomeetthedifferentrequirementsrelatedtothemonitoringoffluidlevels. Switcheswithoneswitchingpoint(WS32 ),e.g.onesusedtomonitortheminimumleveloffluidinareservoir. Switcheswithtwoswitchingpoints(WS35 ),likewiseusedtomonitortheminimumleveloffluid,anadvancewarningbeingemittedbeforeacriticallevelisreachedandwithouthavingtoshutdownthemachine.Beforethesecondswitchingpointisreached,thereisstillenoughoilinthereservoirforashifttobecompletedwithouthavingtostopthemachineorinterruptwork. Switcheswithtwoswitchingpoints(WS33 ),e.g.foraminimumandmaximumleveloffluidinthereservoir,automatictoppingupofthereservoirbeingterminated,forexample,beforethemaximumlevelisreached.Furtherlevelswitches,e.g.forotherfluidslikeNLGIgrades000and00grease,areavailableonrequest(capacitiveproximityswitches).31-1702-ENGroupContactfunction/typeofcontactPlugElectriccircuitNumberofswitchingpointWS32-2min.level/1changeovercontactconnectorplugDINEN175301-803-Acf.diagram(page2)1switchingpointWS32-2-V57-Amin.level/1changeovercontactcircularplugM12 124VAC/1A;24VA1)48VDC/1A;40W1)1switchingpointWS32-S30(withLED)min.level/1changeovercontactcircularplugM12 124VDC/1A;30W1switchingpointWS33-2max.level/1NOtypemin.level/1NCtypeconnectorplugDINEN175301-803-Acf.diagram(page2)2switchingpointsWS33-2-V57-Amax.level/1NOtypemin.level/1NCtypecircularplugM12 124VAC/1A;24VA1)48VDC/1A;40W1)2switchingpointsWS33-S30(withLED)max.level/1NCtypemin.level/1NCtypecircularplugM12 124VDC/1A;30W1)2switchingpointsWS35-2advancewarning/1NOtypemin.level/1NCtypeconnectorplugDINEN175301-803-Acf.diagram(page2)2switchingpointswithfixedspacingapprox.25mmWS35-2-V57-Aadvancewarning/1NOtypemin.level/1NCtypecircularplugM12 124VAC/1A;24VA1)48VDC/1A;40W1)2switchingpointswithfixedspacingapprox.25mmWS35-S30(withLED)advancewarning/1NOtypemin.level/1NCtypecircularplugM12 124VDC/1A;30W1)2switchingpointswithfixedspacingapprox.25mmWS68Dependingonmountingheight/1NCtypeconnectorplugDINEN175301-803-A48VAC/DC0,25A;10W1switchingpoint1)Riskprotectivemeasurestobetakenforproperoperation: Functionalextra-lowvoltagewithprotectiveseparation (PELV)Standard:EN60204-1/IEC60204-1HD60364-4-41/DINVDE0100-410/IEC60364-4-41