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KB - KM SERIES LIMIT SWITCHES. 2 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES FACTS The LIMIT SWITCH is an electromechanical device, which can interact.

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Presentation on theme: "KB - KM SERIES LIMIT SWITCHES. 2 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES FACTS The LIMIT SWITCH is an electromechanical device, which can interact."— Presentation transcript:

1 KB - KM SERIES LIMIT SWITCHES

2 2 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES FACTS The LIMIT SWITCH is an electromechanical device, which can interact with the ambient by sensing an external movement and transforming it into an electric signal that can then be handled by an appropriate control system. It can be used to detect the position of mobile equipment and for safety applications.

3 3 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES FACTS Three fundamental parts compose the LIMIT SWITCH: Head Contact block Body Operating head Body (housing or container) Contact block

4 4 M22 GB 14 10 03 KB series with plastic body KM KM series with metal body KB - KM S ERIES LIMIT SWITCHES LOVATO Electric has innovated the range of limit by designing the new K series with dimensions per EN50047:

5 5 M22 GB 14 10 03 POSITION DETECTION VERSION KB - KM S ERIES LIMIT SWITCHES SAFETY VERSION

6 6 M22 GB 14 10 03 AVAILABLE RANGE Metal Model 19 operating heads 9 types of contact blocks Plastic Model 2 auxiliary contacts3 auxiliary contacts SPARE PARTS Incorporated auxiliary contacts KB - KM S ERIES LIMIT SWITCHES

7 7 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES KB plastic series Product body made of double insulated, self-extinguishing thermoplastic polymer KM metal series Product body made of Aluminium-zinc alloy (zama) MODULARITY PLASTIC AND METAL BODY

8 8 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES MODULARITY 19 operating heads (metal) that are interchangeable and complementary 19 operating heads (metal) that are interchangeable and complementary

9 9 M22 GB 14 10 03 1NO+1NC 2NC 1NO+1NC 2NC 2NO 1NO+1NC 2NC 1NO+1NC 2NC 2NO 1NO+2NC 2NO+1NC 3NC 1NO+2NC 2NO+1NC 3NC INTERCHANGEABLE AND REMOVABLE AUXILIARY CONTACTS KB - KM S ERIES LIMIT SWITCHES Snap action Slow break (make before break) Slow break MODULARITY

10 10 M22 GB 14 10 03 Operating head fixing by bayonet insert mechanism. SIMPLE ASSEMBLY ADVANTAGES KB - KM S ERIES LIMIT SWITCHES Traditional switch 4 screws Internal components can pop out of their place

11 11 M22 GB 14 10 03 45° SIMPLE ADJUSTMENT KB - KM S ERIES LIMIT SWITCHES ADVANTAGES Operating head can be adjusted at 90° angles. Traditional switch

12 12 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES SIMPLE ADJUSTMENT ADVANTAGES

13 13 M22 GB 14 10 03 VERY SIMPLE WIRING KB - KM S ERIES LIMIT SWITCHES Removable auxiliary contact block for quick and easy wiring ADVANTAGES Cable entry in lower contacts is indirect so the user must bend cables. Traditional switch Captive cover screw. Cover fixed by only one captive screw and hinged on the bottom by quick removal Direct cable entry in lower contacts Terminal screw supplied open

14 14 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES EXTREMELY SIMPLE WIRING ADVANTAGES Traditional switch

15 15 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES Body with M20 cable entry (PG13.5 cable entry on request). ADVANTAGES CABLE ENTRY COMPLIANT WITH RECENT INTERNATIONAL STANDARDS PG13.5 cable entry invalidated by recent standards

16 16 M22 GB 14 10 03 Total modularity (better stock management) Simple to install and adjust Maximum cabling ease Robust external parts (metal operators) Better safety with the new blocks with 3 auxiliary contacts Comply with recent standards REQUIREMENTS (M20 cable entry). SUMMARY KB - KM S ERIES LIMIT SWITCHES

17 17 M22 GB 14 10 03 Operating heads: Aluminium-zinc alloy (zama) KB: Self-extinguishing double-insulated polymer thermoplastic body housing KM: Aluminium-zinc alloy (zama) body housing Body degree of protection: IP65 Terminal degree of protection: IP20 Cable connection: Self-releasing screw terminal Rated thermal current Ith: 10A IEC/EN 60947-5-1 contact designation: A600 Q600 Rated insulation voltage Ui: 690VAC Rated impulse withstand voltage Uimp: 6kV Cable entry: M20 TECHNICAL FEATURES KB - KM S ERIES LIMIT SWITCHES

18 18 M22 GB 14 10 03 CERTIFICATIONS - COMPLIANCE KB - KM S ERIES LIMIT SWITCHES COMPLIANT WITH: EN50047 IEC/EN60947-5-1 IEC/EN60204-1 EN81-1 EN1088 CERTIFICATIONS OBTAINED: cULus (USA and CANADA) KB… series.

19 19 M22 GB 14 10 03 APPLICATION EXAMPLES KB - KM S ERIES LIMIT SWITCHES

20 20 M22 GB 14 10 03 APPLICATION EXAMPLES KB - KM S ERIES LIMIT SWITCHES

21 21 M22 GB 14 10 03 KB - KM S ERIES LIMIT SWITCHES Elevators and lifts Mobile protections for machinery Assembly lines Wood-working machines Food processing machines Leather-working and shoe-making machines Band saws Packaging and packing machines Filling and bottling machines Labelling machines Automated storage … APPLICATIONS

22 22 M22 GB 14 10 03 KBA1S11 Limit switch, K series, EN 50047 standard Type of body B = Plastic housing M = Metal housing A1 = Top push rod plunger B1 = Plastic top roller push plunger B2 = Metal top roller push plunger C1 = Plastic roller centre push lever C2 = Metal roller centre push lever D1 = Plastic roller side push lever and so on Type of contact S = Snap action L = Slow-break action Contact numbering 11 = 1NO+1NC 02 = 2NC 20 = 2NO 12 = 1NO+2NC 21 = 2NO+1NC 03 = 3NC STOCK MANAGEMENT Interpretation of the complete switch order codes Example:

23 23 M22 GB 14 10 03 KXCBS11 Limit switch, K series, EN 50047 standard X = Accessorial identification Type of body CB = Plastic housing CM = metal housing Type of contact S = Snap action L = Slow-break action Contact numbering 11 = 1NO+1NC 02 = 2NC 20 = 2NO 12 = 1NO+2NC 21 = 2NO+1NC 03 = 3NC STOCK MANAGEMENT Body complete with auxiliary contacts only Example:

24 24 M22 GB 14 10 03 KXA Limit switch. K series, EN 50047 standard X = Accessorial identification A= Operator Type of operator A1 = Top push rod plunger B1 = Plastic top roller push plunger B2 = Metal top roller push plunger C1 = Plastic roller centre push lever C2 = Metal roller centre push lever D1 = Plastic roller side push lever and so on STOCK MANAGEMENT Operating heads Example: 1A

25 Thank you and goodbye


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