
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
• TurnoffthepowertotheLBseriescontrolunitsbeforeinstallation,removal,
wiring,maintenance,andinspection.Failuretoturnpoweroffmaycause
electricalshocksorrehazard.
• Toavoidburningyourhand,usethelampholdertoolwhenreplacing
thelamps.
• Forwiring,usewiresofapropersizetomeetvoltageandcurrentrequire-
ments.Soldercorrectlyaccordingtotheinstructionsin“Wiring”and“Notes
onTerminalCover.”Impropersolderingmaycauseoverheatingandcreatea
rehazard.Also,whenusingtabterminals,usereceptaclesofappropriate
size.
Instructions
Wiring
1.Soldertheterminalsat350°Cwithin3secondsusinga60Wsolderingiron.
Sn-Ag-Cutypeisrecommended.Whensoldering,donottouchtheLBseries
withthesolderingiron.Alsoensurethatnotensileforceisappliedtothe
terminals.Donotbendtheterminalorapplyexcessiveforcetotheterminal.
2.Usenon-corrosiveliquidux.
Terminal Cover
Solder/tabterminal
InserttheterminalcoverintothecontactblockwiththeTOPmarkingsonthe
contactblockandtheterminalcoverinthesamedirection.
Note:Whenwiring,inserttheleadwiresintotheterminalcoverholesbeforesoldering.Afterwiring,
terminalcoverscannotbeinstalled.
StandardBezel
FlushBezel
Operating Environment
• DonotusetheLBserieswherecorrosivegasesexistorunderanenviron-
mentexceedingtheoperatingtemperatureandhumidityranges.Other-
wise,damagesduetocontactfailureorchangeofsurfacecolormayoccur.
• Majorpartsoftheswitchareplastic.Scratchesordamagesmayoccur
whenscrapedwithasharpobjectorappliedwithexcessiveloadorshock.
Notethatthismaycauseoperationandappearancefailureoftheoperator
andbezel.
• Adherenceofdetergent,cuttingoil,orspecialchemicalstotheswitch
mayresultinoperationfailuresandappearancefailuressuchaschangeof
surfacecolor.
Handling
Contacts(microswitch)
WhenusingNC(normallyclosed)andNO(normallyopen)contactsofthesame
microswitch,avoidconnectionsofdifferentvoltages,orconnectionsofdifferent
typesofpowersupplies.Failuretoobservethisinstructionmaycauseashort-
circuit.
Removing and Installing the Contact Block
1.Turnthelockingleveronthecontactblockinthedirectionoppositetothe
arrowonthehousing.Thenthecontactblockcanberemoved.
2.InsertthecontactblockwiththeTOPmarkingsonthecontactblockandthe
operatorplacedinthesamedirection.Thenlocktheunits,turningthelocking
leverinthedirectionofthearrow.
locking lever
Panel Mounting
Removethecontactblockfromtheoperator.Inserttheoperatorintothepanel
cut-outfromthefront,theninstallthecontactblocktotheoperator.
StandardBezel
TOP
TOP
Panel
➀
➁
Anti-rotation Ring
Locking Ring
Contact Block
FlushBezel
TOP
TOP
Panel
➀Anti-rotation Ring
➁ Locking Ring
Contact Block
Notes on Mounting
Usetheoptionalringwrench(MT-001)tomounttheoperatorontothepanel.
Tighteningtorqueshouldnotexceed0.7N·m.Donotusepliers.Excessivetight-
eningwilldamagethelockingring.