Limit Switches

Limit switches are a contact proximity sensor device that consists of an actuator mechanically linked to a set of output contacts. When an object comes into contact with the actuator, the device operates the contacts to make or break an electrical connection.

Limit Switch Makeup

Limit switches are made up of three key components:
•Actuator Head - The actuator is the part of the switch that makes physical contact with the object. In some limit switches, the actuator is attached to an operating head which translates a rotary, linear, or perpendicular motion to open or close the electrical contacts of the switch.


•Switch Body – The switch body is the component containing the electrical contact mechanism, the contacts within the body open or close the electrical circuit when the actuator is activated.


•Receptacle/Terminals - The component containing the terminal screws or screw/clamp assembly necessary for wiring purposes.



Actuator Types

Limit switches are available with a wide range of actuator types. The type of actuator used can be determined by the mounting position, force required and objects to be detected.
•Rotary Lever - with lever actuators, a cam or plate hits the end of the lever arm which in turn rotates a shaft and operates the contacts in the switch. The rotation may be spring returned (momentary) or maintained.


•Plunger - Plunger types are best where short controlled machine movements are present or where mounting space does not permit a lever type.


•Cat Whisker or Coil Spring – Longer actuators with a coil wire that can be moved/bent in multiple directions. Typically used in conveying applications to count objects as they pass by.


•Forked – Used with maintained contacts, consisting of two roller levers. One roller will trip the switch and when the second is moved to the opposite direction it will reset the switch.

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Omschrijving Prijs Actuator Type Pole and Throw Configuration Normal State Configuration IP Rating Maximum Current Housing Material Maximum AC Voltage Maximum DC Voltage Connection Type Contact Type Series Terminal Type Length Width
RS-stocknr. 447-3575
FabrikantnummerZCP21
€ 11,80
Each
Aantal stuks
- DP NO/NC - 1.5 A Plastic 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm
RS-stocknr. 447-3395
FabrikantnummerXCKP2118P16
€ 30,00
Each
Aantal stuks
Lever DP NO/NC IP66, IP67 10 A Plastic 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm
RS-stocknr. 609-6619
FabrikantnummerXCKP2106P16
€ 30,90
Each
Aantal stuks
Coil Spring DP NO/NC IP66, IP67 10 A Plastic 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm
RS-stocknr. 609-6625
FabrikantnummerXCMD2102C12
€ 70,30
Each
Aantal stuks
Roller Plunger DP NO/NC IP66, IP67, IP68 1.5 A Zinc Alloy 240V 250V - Snap Action OsiSense XC M12 Connector 50mm 30mm
RS-stocknr. 447-3840
FabrikantnummerXCMD2102L1
€ 55,90
Each
Aantal stuks
Plunger DP NO/NC IP66, IP67, IP68 1.5 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Wire Lead 50mm 30mm
RS-stocknr. 447-3806
FabrikantnummerZCMD21
€ 37,60
Each
Aantal stuks
- DP NO/NC - 1.5 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Plug 50mm 30mm
RS-stocknr. 700-4309
FabrikantnummerXCKJ10541H29
€ 65,20
Each
Aantal stuks
Lever SPDT NO/NC IP66 10 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 360-8455
FabrikantnummerZCKJ1
€ 36,80
Each
Aantal stuks
- DP NO/NC IP65 10 A Metal 240V 250V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 235-953
FabrikantnummerXCKJ10541
€ 55,58
Each
Aantal stuks
Lever SPDT NO/NC IP66 10 A Metal 600V 600V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 244-749
FabrikantnummerXCKJ10513H29
€ 64,80
Each
Aantal stuks
Lever SPDT NO/NC IP66 10 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 235-925
FabrikantnummerXCKJ161
€ 53,20
Each
Aantal stuks
Plunger SPDT NO/NC IP66 10 A Metal 600V 600V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 447-3604
FabrikantnummerZCD21
€ 18,10
Each
Aantal stuks
- DP NO/NC - 1.5 A Metal 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm
RS-stocknr. 609-3755
FabrikantnummerZCKJ404
€ 102,00
Each
Aantal stuks
- DP 2NO/2NC IP65 10 A Metal 240V 250V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 230-1967
FabrikantnummerXCKM115
€ 47,20
Each
Aantal stuks
Lever DP NO/NC IP66 10 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Screw 64mm 63mm
RS-stocknr. 447-3878
FabrikantnummerXCMD2115L1
€ 59,50
Each
Aantal stuks
Lever DP NO/NC IP66, IP67, IP68 1.5 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Wire Lead 50mm 30mm
RS-stocknr. 125-8465
FabrikantnummerXCKN2145P20
€ 29,20
Each
Aantal stuks
Spring Return Roller Lever DP NO/NC IP65 10 A Plastic 240V 250V Screw Clamp Snap Action OsiSense XC Screw 30mm 42.3mm
RS-stocknr. 447-3402
FabrikantnummerXCKP2102P16
€ 28,50
Each
Aantal stuks
Plunger DP NO/NC IP66, IP67 10 A Plastic 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm
RS-stocknr. 609-6518
FabrikantnummerXCKJ10513
€ 64,90
Each
Aantal stuks
Lever SPDT NO/NC IP66 10 A Zinc Alloy 240V 250V - Snap Action OsiSense XC Screw 77mm 40mm
RS-stocknr. 814-7936
FabrikantnummerXCKJ10541H7
€ 72,80
Each
Aantal stuks
Roller Lever - NO/NC IP66 - Zamak® Zinc Alloy - - 1/2 NPT Conduit Snap Action OsiSense XC Wire Lead 84mm 42.5mm
RS-stocknr. 447-3418
FabrikantnummerXCKP2110P16
€ 21,90
Each
Aantal stuks
Plunger DP NO/NC IP66, IP67 10 A Plastic 240V 250V - Snap Action OsiSense XC Screw 65mm 31mm