Safety Interlock Switches Owner's manual

Machine Safety Switch: SI-LM40 Series Limit
Switch Style
SI-LM40 Series Limit Switch Style with Flexible In-Line Actuator
Printed in USA Nov 2012 P/N 50159 Rev. F
• Positive-openingsafetycontacts(IEC60947-5-1)(notdependentuponsprings)
•Standardlimitswitchdesign
•In-lineactuator;flexesinalldirections
•Metalhousing
•Spring-loadedactuatorbase
• ProtectiveEarthTerminal(IEC60947-1)onmodelswithmetalhousings
Note: 
Thissymbolforapositiveopeningsafetycontact(IEC60947-5-1)isusedinthe
switchingdiagramstoidentifythepointinactuatortravelwherethenormallyclosedsafety
contactisfullyopen.
Kit Model
†
Actuator Type
†
Interlock Body
†
Contact
Configuration
(Actuator Engaged)
Contact
Configuration
(Actuator Removed)
Switching Diagrams*
SI-LM40MKVD
SI-QM-90A
Flexible,In-Line
SI-LM40KVD
withMetal
Housing
23 24
11 12
23 24
11 12
3 (0.12)
1 (0.04)*
0 (0)
7 (0.28)
38 (1.5)
mm (in)
Engaged
Disengaged
11-12 23-24
Safety
Monitor
SI-LM40MKVE
SI-LM40KVE
withMetal
Housing
21 22
11 12
21 22
11 12
3 (0.12)
0 (0)
7 (0.28)
38 (1.5)
mm (in)
Engaged
Disengaged
11-12 21-22
Safety Safety
†Akitcontainsaninterlockandactuator.Individualinterlockbodiesoractuatorsareforreplacementpurposesonly.SeeWarningbelow.
*Pleasenotethatonly1mm(0.04inches)ofmovementwillopentheclosedcontact.
Contacts: Open Closed Transition
WARNING...SpareactuatorsmustNEVERbeusedtobypassorotherwisedefeattheprotectivefunctionofasafetyswitch.Todoso
maycreateanunsafesituationwhichcouldleadtoseriousinjuryordeath.