Leviton 51120-3 Operating instructions

Leviton
Brand
Leviton
Model
51120-3
Type
Operating instructions

This manual is also suitable for

Leviton 51120-3 is a branch panel mounted surge protective device (SPD) designed to protect residential and small commercial establishments from high voltage transients. It is a UL 1449 Listed - Type 2 SPD with IEEE C62.41-1991 category A&B combination wave suppression. The device features solid-state semiconductor SPD circuitry for each phase, each phase independently fused, and green LED diagnostic indicator for each phase. It comes in a NEMA 1 metal enclosure with pre-punched standard knockouts and an interior plastic circuit enclosure for added safety.

Leviton 51120-3 is a branch panel mounted surge protective device (SPD) designed to protect residential and small commercial establishments from high voltage transients. It is a UL 1449 Listed - Type 2 SPD with IEEE C62.41-1991 category A&B combination wave suppression. The device features solid-state semiconductor SPD circuitry for each phase, each phase independently fused, and green LED diagnostic indicator for each phase. It comes in a NEMA 1 metal enclosure with pre-punched standard knockouts and an interior plastic circuit enclosure for added safety.

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 POWERAT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
©2010LevitonMfg.Co.,Inc. DI-000-51120-00E
120 V
120 V
240 V
120/240 V
1
Ø
51120-1
L1
N
L2
Suitable for use on a circuit capable of delivering no more than 10,000
rms symmetrical amperes, 120 volts maximum when protected by a 20
ampere circuit breaker rated 120 volts minimum. The interrupting rating of
the fuse or circuit breaker shall not be less than the available fault current.
FIGURE 1 - SINGLE-PHASE INSTALLATION
Suitable for use on a circuit capable of delivering no more than 10,000
rms symmetrical amperes, 120 volts maximum when protected by a 20
ampere circuit breaker rated 120 volts minimum. The interrupting rating of
the fuse or circuit breaker shall not be less than the available fault current.
208 V
208 V
120 V
120 V
120 V
208 V
L3
L2
L1
N
120/208 V
3
Ø
51120-3
FIGURE 2 - THREE-PHASE INSTALLATION
G
L1
L2
N
20
20
20
20
40
20
20
20
20
40
Flexible Conduit
to J-Box
Circuit Breaker Panel
(Cover Removed)
51120-1
FIGURE 3 - SINGLE-PHASE WIRING
Flexible Conduit
to J-Box
Circuit Breaker Panel
(Cover Removed)
51120-3
G
L1
L2
L3
N
20
20
20
20
40
20
20
20
20
40
FIGURE 4 - THREE-PHASE WIRING
LIMITED LIFETIME WARRANTY AND EXCLUSIONS
Leviton warrants to the original consumer purchaser and not for the benet of anyone else that this product at the time of its sale by Leviton is free of defects in materials and workmanship under
normal and proper use during the lifetime of the product. Leviton’s only obligation is to correct such defects by repair or replacement, at its option, if the product is returned prepaid, with proof of
purchasedate,andadescriptionoftheproblemtoLeviton Manufacturing Co., Inc., Att: Quality Assurance Department, 201 North Service Road, Melville, N.Y. 11747.Thiswarrantyexcludesand
there is disclaimed liability for labor for removal of this product or reinstallation. This warranty is void if this product is installed improperly or in an improper environment, overloaded, misused, opened,
abused, or altered in any manner,or is not used under normal operating conditions or not in accordance with any labels or instructions. There are no other or implied warranties of any kind, including
merchantabilityandtnessforaparticularpurpose.Levitonisnotliableforincidental,indirect,special,orconsequentialdamages,includingwithoutlimitation,damageto,orlossofuseof,anyequipment,
lost sales or prots or delay or failure to perform this warranty obligation. The remedies provided herein are the exclusive remedies under this warranty, whether based on contract, tort or otherwise.
For Technical Assistance Call:
1-800-824-3005 (U.S.A. Only)
1 800 405-5320 (Canada Only)
www.leviton.com
ARTWORK PRINT SPECIFICATIONS
PART NUMBER REV DESCRIPTION
Line Screen:
Angle:
Resolution:
Offset Flexo
Other
Body Material:
Bindery
Thickness:
Trim
Perfect Bind
Die cut
Saddle Stitch
Drill
Fold
The information in this document is the exclusive PROPRIETARY property of LEVITON MANUFACTURING COMPANY, INC. It is disclosed
with the understanding that acceptance or review by the recipient constitues an undertaking by the recipient. (1) to hold this information in strict
confidence, and (2) not to disclose, duplicate, copy, modify or use the information for any pupose other than that for which disclosed.
© 2010 Leviton Mfg. Co., Inc.
Unpublished, All Rights Reserved
PlantApprovals:
PN-ARN: Pilot Rev:ECO Number:
Artwork Release Date:
Artwork Print Specification Sheet Rev A06.eps
PMCQA
Artist:
Notes:
Other
Cust Other
S & A
Mktg Eng
FOR LEVITON USE ONLY
SPECIFICATIONS :
PROCESS :
MANUAL INTERIORS / BINDERY / FOLD SCHEME :
COMMENTS :
For manuals - designates cover specifications
Dimensions:
Material:
Thickness:
Finish:
:
Spot
CMYK
1:
4:
3:
2:
Color(s): over
1:
4:
3:
2:
Fonts:
Spot
CMYK
1:
4:
3:
2:
Color(s): over
1:
4:
3:
2:
Fonts:
CI0054-3154
H Sanchez
Black Helvetica
1 1
FOLD SCHEME / BINDERY DIAGRAM
Fold Line
Die Cut Punch/Drill Hole
Part No.
DI-000-51120-00E
01 C. Clemente
C. Corona
J. Rhinestine
T. Pulsonetti
10/13/10
11" x 8.5"
20 lb.
Offset
Instruction sheet
8.5"
11"
Part No.
8.5"
5.5"
FINAL
V. Lonigro
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Leviton 51120-3 Operating instructions

Leviton
Brand
Leviton
Model
51120-3
Type
Operating instructions
This manual is also suitable for

Leviton 51120-3 is a branch panel mounted surge protective device (SPD) designed to protect residential and small commercial establishments from high voltage transients. It is a UL 1449 Listed - Type 2 SPD with IEEE C62.41-1991 category A&B combination wave suppression. The device features solid-state semiconductor SPD circuitry for each phase, each phase independently fused, and green LED diagnostic indicator for each phase. It comes in a NEMA 1 metal enclosure with pre-punched standard knockouts and an interior plastic circuit enclosure for added safety.

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