IDEC LB Series User manual

Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
ø16mm - LB Series Switches & Pilot Devices
496  www.IDEC.com
Replacement Parts
Item Material Part Number Remarks
Lens Forroundunits Polyarylate
ø15.4H4mm AL6M-Lk
Specifythecolorcodeinplaceofkinthepartnumber.
A:Amber,C:Clear,G:Green,R:Red,S:Blue,Y:Yellow
Note:Useaclearlensfororwhite(PW)illumination.
Forsquareunits Polyarylate
15.4,H4mm AL6Q-Lk
Forrectangularunits Polyarylate
W21.4xH4xD15.4mm AL6H-Lk
Button Forroundunits Polyarylate
15.4,H4mm AB6M-Bk
Specifythecolorcodeinplaceofkinthepartnumber.
B:Black,G:Green,R:Red,
S:BlueW:White,Y:Yellow
Forsquareunits Polyarylate
15.4,H4mm AB6Q-Bk
Forrectangularunits Polyarylate
W21.4xH4xD15.4 AB6H-Bk
MarkingPlate
Forroundunits Acrylic
ø13.7H0.8 AL6M-k
Specifythecolorcodeinplaceofkinthepartnumber.
B:Black,W:White
Seepage498fordimensionsandengravingarea.
Forsquareunits Acrylic
13.7,H0.8mm AL6Q-k
Forrectangularunits Acrylic
W19.7xH0.8(0.4)xD13.7mm AL6H-k
LockingRing
Forallunits Polyamide
ø17.9,H3.9mm LB9Z-LNP
Anti-rotationRing
Forstandardbezel
Metal
(Stainlesssteel)
17.9,t0.6mm
LB9Z-LP1
Anti-rotationRing
Forushbezel
Metal
(Stainlesssteel)
W21xH8.2xD20.6
t0.8mm
LB9Z-LP6
SpareStandardKey
Forkeyselectorswitches Nickel-platedBrass AS6-SK Seepage495fordimensions.
SpareWavekey
ReversibleWaveKey
Non-reversibleWaveKey
ForWavekeyselector
switches
Diecastzincalloy(nickelplated)
W14xH2xD30.8mm LA9Z-SK-n
SpecifyWavekeynumberinplaceofninthepartnumber.
0H:Standardwavekey(reversible)
1Hto2H:Reversiblewavekey
3Hto6H:Non-reversiblewavekey
Seepage495fordimensions.
LB Series Replacement LED Unit
Item Rated Operating Voltage Part Number kColor Code
LEDUnit DC5V LB9Z-LED5kA
G
PW
R
S
Specifycolorcodeinplaceofthekinthepartnumber.R:Red,G:
Green,A:Amber,S:Blue,PW:White
AllilluminatedLBseriescontainanLEDunit.
Useawhite(PW)LEDunitforyellow(Y)illumination.
AC/DC12V LB9Z-LED1k
AC/DC24V LB9Z-LED2k

Switches & Pilot Devices Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
497
800-262-IDEC (4332) •USA & Canada
ø16mm - LB Series
Switches & Pilot Devices
Safety Precautions
• TurnoffthepowertotheLBseriescontrolunitsbeforeinstallation,removal,
wiring,maintenance,andinspection.Failuretoturnpoweroffmaycause
electricalshocksorrehazard.
• Toavoidburningyourhand,usethelampholdertoolwhenreplacing
thelamps.
• Forwiring,usewiresofapropersizetomeetvoltageandcurrentrequire-
ments.Soldercorrectlyaccordingtotheinstructionsin“Wiring”and“Notes
onTerminalCover.”Impropersolderingmaycauseoverheatingandcreatea
rehazard.Also,whenusingtabterminals,usereceptaclesofappropriate
size.
Instructions
Wiring
1.Soldertheterminalsat350°Cwithin3secondsusinga60Wsolderingiron.
Sn-Ag-Cutypeisrecommended.Whensoldering,donottouchtheLBseries
withthesolderingiron.Alsoensurethatnotensileforceisappliedtothe
terminals.Donotbendtheterminalorapplyexcessiveforcetotheterminal.
2.Usenon-corrosiveliquidux.
Terminal Cover
Solder/tabterminal
InserttheterminalcoverintothecontactblockwiththeTOPmarkingsonthe
contactblockandtheterminalcoverinthesamedirection.
Note:Whenwiring,inserttheleadwiresintotheterminalcoverholesbeforesoldering.Afterwiring,
terminalcoverscannotbeinstalled.
StandardBezel
FlushBezel
Operating Environment
• DonotusetheLBserieswherecorrosivegasesexistorunderanenviron-
mentexceedingtheoperatingtemperatureandhumidityranges.Other-
wise,damagesduetocontactfailureorchangeofsurfacecolormayoccur.
• Majorpartsoftheswitchareplastic.Scratchesordamagesmayoccur
whenscrapedwithasharpobjectorappliedwithexcessiveloadorshock.
Notethatthismaycauseoperationandappearancefailureoftheoperator
andbezel.
• Adherenceofdetergent,cuttingoil,orspecialchemicalstotheswitch
mayresultinoperationfailuresandappearancefailuressuchaschangeof
surfacecolor.
Handling
Contacts(microswitch)
WhenusingNC(normallyclosed)andNO(normallyopen)contactsofthesame
microswitch,avoidconnectionsofdifferentvoltages,orconnectionsofdifferent
typesofpowersupplies.Failuretoobservethisinstructionmaycauseashort-
circuit.
Removing and Installing the Contact Block
1.Turnthelockingleveronthecontactblockinthedirectionoppositetothe
arrowonthehousing.Thenthecontactblockcanberemoved.
2.InsertthecontactblockwiththeTOPmarkingsonthecontactblockandthe
operatorplacedinthesamedirection.Thenlocktheunits,turningthelocking
leverinthedirectionofthearrow.
locking lever
Panel Mounting
Removethecontactblockfromtheoperator.Inserttheoperatorintothepanel
cut-outfromthefront,theninstallthecontactblocktotheoperator.
StandardBezel
TOP
TOP
Panel
➀
➁
Anti-rotation Ring
Locking Ring
Contact Block
FlushBezel
TOP
TOP
Panel
➀Anti-rotation Ring
➁ Locking Ring
Contact Block
Notes on Mounting
Usetheoptionalringwrench(MT-001)tomounttheoperatorontothepanel.
Tighteningtorqueshouldnotexceed0.7N·m.Donotusepliers.Excessivetight-
eningwilldamagethelockingring.

Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
ø16mm - LB Series Switches & Pilot Devices
498  www.IDEC.com
Replacing the Lens
StandardBezel
FromtheoppositesideoftheTOPmarking,removetheoperator(lens,marking
plate,andlensholder)usingtheoptionallensremovaltool(MT-101)bygripping
therecessesofthecolorlens.RemovingfromtheTOPsidemaydamagethe
metallicbezel.
RemovingtheOperator(standardbezel)
FlushBezel
FromtheoppositesideoftheTOPmarking,pushthetipoftheatscrewdriverto
thegrooveofthecolorlensandpullouttheoperator(lens,markingplate,lens
holder).RemovingfromtheTOPsidemaydamagethemetallicbezel.
RemovingtheOperator(ushbezel)
ReplacingtheMarkingPlate
Removethemarkingplatebypushingthelensfromthereartodisengagethe
latchesbetweenthelensandholder,usingthescrewdriverasshownbelow.
Note:Atransparentlminsidethelensholderisattachedtotheunittomakeitwaterproofandcannot
beremoved.
2.Insertamarkingplateintothecolorlens,andpressthelensontothelens
holdertoengagethelatches.Payattentiontotheorientationofthemarking
plate.
Engage
Recesses Latches
Engraving
Surface
Color Lens Marking
Plate
Lens
Holder
Lens Unit and Contact Block Installation
Toinsertthelensunitintotheoperator,pressinthelensunitbymakingsure
thatthelatchontheoperatorisalignedwiththelatchonthelensunit.
Latch
Latch
Operator
Recess
TOPTOPLatch
Latch
Round lens unit Square lens unit
StandardBezel
Latch
Latch
Operator
Recess
TOPTOPLatch
Latch
Round lens unit Square lens unit
FlushBezel
Latch Latch
Round Lens Unit Square Lens Unit
Latch
Operator
Recess
TOPTOPLatch
Marking Plates and Films
Forilluminatedpushbuttonsandpushbuttonswithilluminatedlens,legendsand
symbolscanbeengravedonthemarkingplates,orprintedlmcanbeinserted
underthelensforlabellingpurposes.
Marking Plate and Marking Film Size
Lens Round Square Rectangular
Built-inMarkingPlate
Engraving
Area
ø12.0
12.0
ø13.7
0.8
12.0
Engraving
Area
0.8
13.7
Engraving
Area
18.0
12.0
0.8
19.7×13.7
•Engravingmustbemadeontheengravingareawithin0.5mmdeep.
•Themarkingplateismadeofwhiteacrylicresin.
ApplicableMarkingFilm
ø13.6
11.8 ø13.6 19.6
13.6
•Filmthickness:0.1mmperlm
•Markinglmisnotincluded.
•Recommendedmarkinglm:Polyesterlm
Marking Plate and Film Insertion Order
Lens
Film
Marking
Plate
Lens
Holder Operator
Engraved Surface TOP
Themarkingplatemustbeengravedonthespeciedsideasshownabove.Pay
attentiontotheorientationofthemarkingplate.

Switches & Pilot Devices Signaling Lights Relays & Sockets Timers Contactors Terminal Blocks Circuit Breakers
499
800-262-IDEC (4332) •USA & Canada
ø16mm - LB Series
Switches & Pilot Devices
Replacing the LED Unit
TheLEDunitcanbereplacedbypullingthelensunitoutofthecontactblock.
LEDUnitContactBlock
Orientation of the LED unit
InserttheLEDunitintothecontactblockwiththeTOPmarkingsonthecontact
blockandLEDunitinthesameorientation.
TOP TOP
Notes on replacing the LED Unit
• WhenreplacingtheLEDunit,makesurethatstaticelectricityisnotapplied.
• MakesurethattheLBserieshascooleddownbeforereplacingtheLEDunit.
• Toavoidgettingburned,becarefulnottotouchtheunitwhileitisstillhot.
Notes on Using Quick Connect Terminals
1.Use#110tabquickconnects,0.5mm-thick.
2.Whenconnectingtheterminalsontheleftandcenter,makesurethat
surfacesofthequickconnectsfaceeachother.Otherwise,ashort-circuitmay
occur.
TOPTOP
Correct Incorrect
3.Applyonlyhorizontalforceagainstthepaneltothetab.Theswitchmaybe
damagedifaforceotherthanahorizontalforceisapplied.
Installing Rubber Boots
Whenusingtheswitchesinenviromentssubjecttosplashingwateroranexces-
siveamountofdust,makesuretouseanoptionalrubberboot.
Asshowninthedrawingbelow,jremovethegasketfromtheoperator,andk
attachtherubberbootfromthefront(buttonside).
Standard Bezels
Forrectangularandsquareunits,pulloutthesealsoftherubberbootandplace
themaroundtheoperatorsleeveasshownbelow.Makesurethatthesealsare
nottwistedortuckedinsideandthatthegasketisremoved,otherwisewater-
proofanddustproofcharacteristicsarenotensured.
How to Install the Rubber Boot

Rectangular
Seals
Mount
Remove
Operator
Operator
Operator
Seals
Gasket
Rubber boot installed
Rubber boot installed
Rubber boot installed
Seals
Mount
Remove
Seals
Gasket
Mount
Remove
Gasket
➁
➁
➁
➀
➀
➀
Square
Round

Switches & Pilot DevicesSignaling LightsRelays & SocketsTimersContactorsTerminal BlocksCircuit Breakers
ø16mm - LB Series Switches & Pilot Devices
500  www.IDEC.com
Flush Bezels
Mounttherubberbootsothattheprotrusionatthebottomsurfaceoftheopera-
tortswiththerecessontheoperator,placingtherubberbootallaroundthe
operatorsleeve.
Makesurethattheprotrusionontherubberbootandtherecessontheoperator
tscorrectly,otherwise,thewaterproofanddustproofcharacteristicsarenot
ensured.
How to Install the Rubber Boot
Mount
Gasket
Remove
➀
➁
Bad
Example
Good
Example
Protrusion
Recess
Note:Installtherubberbootbeforemountingtheunittothepanel.
Correct
Example
Incorrect
Example
Maintained Pushbuttons
Donotreplacethebuttonswhenthepushbuttonisinthemaintainedposi-
tion.Replacingthebuttoninthemaintainedpositionmaydamagetheinternal
mechanism.Also,donotremovethecontactblockwiththebuttoninthemain-
tainedposition.Thecontactmaynotoperateproperlywhenthecontactblockis
remounted.
Pushbuttons and Illuminated Pushbuttons with Switch Guard
Donotapplyforcetotheswitchguardwhentheswitchguardisnotattachedto
apanel.Whenopeningtheswitchguard,donotopenmorethan180°.Thehinge
maybreak.
Selector Switches
Whenturningtheoperatororkey,makesurethattheyareturnedtothecorrect
position.
Selector Switches with Key
Observethefollowinginstructionstopreventmalfunctionordamage.
• Donotremovethekeyfromanykeyretainedposition.
• Inadditiontothestandardkey(keynumber0H),sixotherkeynumbersare
available.Useakeyofthematchingnumberwiththekeycylinder.Thestan-
dardkeydoesnothaveakeynumberindication.
• Keysareavailableintwotypes.
Keynumbers0H(standard),1H,and2Harereversiblekeyswhichcanbe
insertedintwoways.
Keynumbers3H,4H,5H,and6Harenon-reversiblekeys.Makesureofcor-
rectinsertiondirection.