Leviton 51120-1 - User Manual

INSTALLATION
WARNINGS & CAUTIONS:
• TOBEINSTALLEDAND/ORUSEDINACCORDANCEWITHELECTRICALCODESANDREGULATIONS.
• INSTALLATIONOFCAT.NOS.51120-1AND51120-3SPDDEVICESINABRANCHCIRCUITMUSTBEDONEBYANELECTRICIAN.
• READALLINSTRUCTIONSBEFOREINSTALLING.
• CAT.NOS.51120-1AND51120-3SPDDEVICESMUSTBEINSTALLEDONALINETHATISSERVEDBYDISCONNECTMEANS,SUCHAS20-AMPCIRCUITBREAKERSOR20-AMP
FUSEDDISCONNECTSWITCHES.
• SPDMAYNOTSURVIVESUSTAINEDOVERVOLTAGES.
• USETHISDEVICEONLY WITH COPPER OR COPPER CLAD WIRE.
FEATURES:
• UL1449Listed-Type2SPD
• IEEEC62.41-1991categoryA&Bcombinationwavesuppression
• Solid-statesemiconductorSPDcircuitryforeachphase
• Eachphaseindependentlyfused
• GreenLEDdiagnosticindicatorforeachphase
• NEMA1metalenclosure
• Pre-punchedstandardknockouts
• Interiorplasticcircuitenclosureforaddedsafety
• Flushmountingenclosure
ForsuperiorlocalSPDprotection,useLevitonSurgeSuppressionOutletstoprotectagainstinternally-generatedtransientsbetweenthebranchpanelandthepointofuse.
DESCRIPTION:
Leviton’sCatalogNos.51120-1(120/240V,single-phaseversion)andthe51120-3(120/208V,3-phaseversion)BranchPanelMountedSPDdeviceshavebeendesignedtoprotect
residentialandsmallcommercialestablishmentsfromhighvoltagetransients.ThestandardJ-Boxmetalenclosurewithpre-punchedstandardsizeknockoutssimpliesush
mountingintypicalframeconstructionenvironments,andprovidesconvenientconnectionmeanstoexistingbranchpanels.
TO INSTALL:
System Voltage Requirements
1. Measurepanelvoltage,L-N,todeterminethesystemvoltage.SystemvoltagemustnotexceedthespeciedmaximumcontinuousRMSvoltageontheSPDdevicelabel.
Location and Mounting
1. LocatetheSPDdeviceascloseaspossibletothebranchcircuitbreakerpanel.ConnectionleadlengthbetweentheSPDdeviceandcircuitbreakerboxshouldbeminimalfor
bestprotection.ThelocationshouldalsopermitgoodvisibilityoftheSPDdevice’sdiagnosticlights.
2. Removethecircuitbreakerpanelcoveranddeterminethebreaker-panelwiringentrypointrelativetochosenlocationoftheSPDdevice.
 NOTE:SincethecircuitbreakerpanelandtheSPDunithaveoverlappingcovers,installationshouldallowatleastoneinchofclearancefromtheedgeofthecircuitbreaker
panelcover.
3. Forsurface-mountcircuitbreakerpanels,theSPDdevicemaybeconnectedusingrigidconduittoanyconduitknockouthole.
4. Fornon-surfacemountinstallations,securetheSPDtothesupportstudinthewallbycuttinga6x6-inchmountinghole.
5. RemoveSPD’scoverandconnect3/4-inchexibleorrigidconduitbetweencircuitbreakerboxandtheSPD.
6. PlacetheSPDdeviceintothe6x6-inchmountingholeandsecureittotheexposedstuds.
Wiring Connections
TheSPDdeviceterminalblockaccepts4AWG–12AWGCOPPERWIREONLY.ForwirerangeSolidorStranded12AWGto10AWGuseTorque25in-lbs.For8AWGStranded
wireuse30in-lbs.ForStranded6AWG–4AWGuse35in-lbs.
1. WARNING:TOAVOIDFIRE,SHOCKORDEATH,TURN OFF POWERATCIRCUITBREAKERORFUSEANDTESTTHATPOWERISOFFBEFOREWIRING!
2. Connectwireleadstoterminalblock:BLACKtoPHASES,WHITEtoNEUTRALandGREENtoGROUND.SeeFigures 1through4onreverseside.
CAUTION:Ifplasticconduitisused,Greengroundwiremustbeconnectedtogroundlug,andGreenwireinsideenclosuremustalsobeconnectedtogroundlug.Failuretodo
somayresultinreorshock.SeeFig. 1,Fig. 2,Fig. 3andFig. 4onreversesideforinstallationdiagrams.
3. ThreadtheSPDdevice’swireleadsthroughtheconduittocircuitbreakerinterior.
4. SecuretheSPDcoverwiththescrewsremovedpreviously.
5. Selectcircuitbreakersascloseaspossibletoeachserviceentrancelug.Twenty-Amp(20A)circuitbreakersarerecommended,andmayshareSPDdeviceandbranchcircuit
leads.ThebreakersprovideadditionalfailureprotectionaswellasaSPDconnectionandservicingdisconnect.
NOTE:DonotconnectSPDleadsdirectlytoserviceentrancelugs.Thismayresultinre,shockordeath.
6. Leadlengthsshouldbeasshortaspossible.ConnecttheBLACKleadstoeachPHASEthroughtheselectedcircuitbreakers.ConnecttheWHITEleadtoNEUTRALascloseas
possibletoNEUTRALentranceservicelug.
NOTE: Avoidlongloopsanddonotcoilextraleadwire.
7. Replacethecircuitbreakerpanelcover.Installationiscomplete.
Power ON
1. Restorepowertocircuitbreakerpanel.ThegreendiagnosticlightsontheSPDdeviceshouldturnON.
2. Ifduringnormaloperationadiagnosticlightshutsoff,haveanelectriciandetermineifphasepowerisapplied.Ifpowerispresent,thenatransientsurgehasexceededtheSPD
device’srating.Theunitshouldbereplacedand/orupgradedassoonaspossible.
BRANCH PANEL MOUNTED SURGE PROTECTIVE DEVICE (SPD)
Cat. Nos. 51120-1&51120-3
DI-000-51120-00E

Summary

Product Installation

Safety Warnings and Cautions

Crucial safety instructions and warnings for electricians regarding SPD installation and usage.

Product Features Overview

Key features of the Surge Protective Device (SPD) including UL listing, surge suppression, and diagnostic indicators.

Product Description

Details on Leviton's SPD devices, their application for residential/commercial protection, and enclosure benefits.

Installation Steps

Detailed instructions for installing the SPD device, including voltage requirements, location, mounting, and wiring.

Powering On and Diagnostics

Procedure for restoring power and checking the SPD's diagnostic lights for proper operation or surge events.

Warranty Information

Limited Lifetime Warranty

Leviton's warranty terms covering defects in materials and workmanship, exclusions, and claim procedures.

Leviton 51120-1 Specifications

General

Number of Outlets	6
Protection Modes	L-N, L-G, N-G
Outlet Type	NEMA 5-15R
Cord Length	6 Feet
Amperage	15 Amps
Warranty	Limited Lifetime