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AGENDA • Limit Switches Production Overview • Standards Overview • Limit switches part and code creation • Materials, cable inlets, connections • Contact blocks features • Label information • How to read a diagram • Head-casing combinations, head adjustments • Switches for special applications: low temperature limit switches • Prewired series overview • Connection types and code creation • Halogen free and dynamic cables • Foot switches overview 2
Key Information Over 12.000 available standard items. Large number of available customizations. Three involved production lines. Designed and assembled in factory. Assistance in references, product selection and technical questions. International Sales: Europe, Africa, America, China, Southern Asia, Australia. Product Category: 30mm EN50047 switches, 40mm EN50041 switches, multiple cable entries switches, Pre-wired switches with cable or connectors, Special applications switches 3
Standard references 4
How it’s made? 5
Limit switches code construction Casing : A – B- C – D - E Contacts Material : P Plastic / M Metal Cable Inlets Type of Contacts Type of Head Operator 6
Casing type 7
Cable inlet type 8
Cable inlet type – M12 connectors 1 4 2 3 9
Contact block 10
Positive opening operation How it works? 11
Contact block contact form 12
Contact block contact form 13
Contact block contact form 14
Utilization categories according to EN 60947-5-1 15
Contact blocks Principle of operations 16
Contact block type 17
Contact block type 18
Contact block type – Small series 19
Contact block type Large series 20
How to read a label Standards Electrical ratings CODE IP degree Approvals Insulation voltage Contact block Double insulation Positive Dimensional opening standard operation UL Approval 21
Travel and operating diagram 22
Travel and operating diagram C 1 Pre-Travel C P Positive Open. C 2 Over-Travel C L Max. Travel C 3 Differential Tr. C 4 Release Travel 23
Contact travel and diagrams Actuator type 24
Head and casing material – Small series 25
Head and casing material – Large series 26
Adjustments 27
Adjustments 28
Low temperature limit switches 29
EP & EM prewired limit switches series 30
EP & EM Code creation U 31
EP Series Connections 32
EM Series Connections 33
Dynamic cable connection 34
Halogen Free cable connection 35
EM/EP Series Connections 36
EM/EP Series Connections 37
EM/EP Series Contact block 38
EM/EP Series Elastic pins fixing version 39
Foot Switches 40
Foot Switches 41
Foot Switches Code creation 42
Foot Switches Principle of operations 43
Foot Switches Principle of operations 44
Foot Switches Principle of operations 45
Foot Switches Principle of operations 46
Foot Switches Principle of operations 47
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