Limit Switches for PLCs

An electrical switch is a device that can close and open a circuit. Limit switches are, in general, electromechanical devices and are operated by the motion of some external object such as a machine part. In an HVAC system, a limit switch is often used to monitoring the state of a damper or valve.

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Types of Electromechanical

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Results: 88
Select Image Part # Mfr. Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity. Qty. RoHS
C&K Interlock Switches SWITCH PB DOOR INTERLOCK SPDT 213In Stock
Min.: 1
Mult.: 1
C&K Interlock Switches SPDT 15A SCREW TERM. 51In Stock
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 1A 5 OZ. OF 256In Stock
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 10A .187" QC 606In Stock
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 10A .187" QC 989In Stock
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches Long Lever SPST-NO Lft actuate w/boss 1 662In Stock
Min.: 1
Mult.: 1
: 1 000

Omron Electronics Basic / Snap Action Switches Long Lever SPST-NO Rt actuate w/boss 3 360In Stock
Min.: 1
Mult.: 1
: 1 000

Omron Automation and Safety Limit Switches Switch 75In Stock
Min.: 1
Mult.: 1

Honeywell Basic / Snap Action Switches Microswitch SPCO Button Plunger 348In Stock
Min.: 1
Mult.: 1

Honeywell Basic / Snap Action Switches 250 VAC 5 A Pin Plunger Actuator 74In Stock
Min.: 1
Mult.: 1

Honeywell Basic / Snap Action Switches Microswitch ROLLER LEVER 118In Stock
350Expected 10/22/2026
Min.: 1
Mult.: 1

Honeywell Limit Switches Side Rotary w/ No Lever 10In Stock
Min.: 1
Mult.: 1

Honeywell Basic / Snap Action Switches SPDT 15.1A 125VAC Straight Lever 142In Stock
Min.: 1
Mult.: 1

Omron Automation and Safety Limit Switches L.S. HINGE ROLL ER LEVER 19In Stock
12Expected 10/1/2026
Min.: 1
Mult.: 1

Omron Automation and Safety Limit Switches PlasLS/PG13.5/Snp1NC 1NO/AdjRlr 17In Stock
Min.: 1
Mult.: 1

C&K Interlock Switches SPDT 15A SCREW TERM. 15In Stock
60Expected 11/25/2026
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 1A 5 OZ. OF 61In Stock
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 1A 6oz PCB 70In Stock
Min.: 1
Mult.: 1

C&K Basic / Snap Action Switches SPDT 10A .187" QC 42In Stock
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches HINGE LEVER TAB TERM 192In Stock
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches MINIATURE BASIC SWITCH 331In Stock
1 500On Order
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches SPDT 100mA QC term Pin plunger 400In Stock
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches SPDT 2A #110 QC term Pin plunger 252In Stock
Min.: 1
Mult.: 1

Omron Electronics Basic / Snap Action Switches Std Lever SPST-NO Lft actuate w/o boss 194In Stock
1 000Expected 4/1/2027
Min.: 1
Mult.: 1
: 1 000

Omron Electronics Basic / Snap Action Switches Std Lever SPST-NO Rt actuate w/o boss 848In Stock
Min.: 1
Mult.: 1
: 1 000