Date:Apr. 7th, 2021
Rev. A
OPERATION&MAINTENANCEINSTRUCTION MANUAL
SUPERVISORYSWITCH FOROS&YGATE VALVE
1
GeneralDescription
ThisSupervisorySwitchisusedtomonitortheopenpositionofanOS&Y (outsidescrew and yoke)typegate
valve.Theseswitchesmount convenientlytomostOS&Y valvesranginginsizefrom2 to24 (50mm to
600mm).Thecoverisheldinplacebytwotamperresistant screwsthat requireaspecialtooltoremove.The
toolisfurnishedwitheachdevice.
Features
•All partshavecorrosionresistant finishes
•TwoConduitEntrances
•AdjustableLengthTripRod
•Three PositionSwitchDetectsTamperingand ValveClosure
•Fineadjustment featureforfast,easyinstallation
•OneortwoSPDT contact models(-1,-2,-3)
•UL Listedand FM Approved
TechnicalSpecifications
Testing
TheoperationoftheSupervisorySwitchand itsassociatedprotectivemonitoringsystemshallbeinspected,
tested,andmaintainedinaccordancewithall applicablelocaland nationalcodesand standardsand/orthe
AuthorityHavingJurisdiction(manufacturerrecommendsquarterlyormorefrequently).Aminimumtest
Model 811-SS-OSY1SPDT,811-SS-OSY2SPDT,811-SS-OSY3SPDT
Enclosure Cover: DieCast Finish: RedPowderCoat
Base: DieCast
All partshavecorrosionresistant finishes
CoverTamper
TamperResistant Screws
OptionalCoverTamperSwitchAvailable
3Amps/5 Ampsat 125/250VAC
Covertamperswitchwithtwoleadsand InsulatingPlate5KV
Contact
Ratings
811-SS-OSY1SPDT: OneSet ofSPDT
811-SS-OSY2SPDT: TwoSetsofSPDT
811-SS-OSY3SPDT: TwoSetsofSPDT andCoverTamperSwitch
10 Ampsat 125/250 VAC
2.5 Ampsat 30VDCResistive
Environmental
Limitations
-40°Cto60°COperatingTemperatureRange
IndoororOutdoorUse
IP67
Conduit EntrancesOneKnockoutsand oneholefor1/2 conduitprovided
ServiceUse NFPA13,13D,13R,72
