Limit Switch Accessories

Limit switch accessories are the components of and parts that are used alongsidelimit switches, devices which form part of the control system for the movement of machinery. Limit switch accessories can be used to replace key parts of the device, or adapt and improve the function of limit switches.

How do limit switches work?

Limit switches are composed of a set of contacts and an actuator that are mechanically linked. When a machine part comes into contact with the device, the switch acts to make or break the circuit connection. In this way, they detect the movement of machinery, which can be useful for counting objects travelling past a specific point, or detecting an object's position.

Types of limit switch accessories

There are a wide range of limit switch accessories available, but some common types include:

  • contacts, a key part that allows the actuator to break the circuit
  • levers, which form part of the switch
  • rods, which make up part of the actuator

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Description Price Accessory Type For Use With Series
RS Stock No. 748-2878
Mfr. Part No.D4A-6918N
BrandOmron
$467.51
Each
units
Center D4A Series -
RS Stock No. 748-2793
Mfr. Part No.AP-Z
BrandOmron
$9.78
Each
units
Terminal Cover A Series, DZ Series, X Series, Z Series -
RS Stock No. 827-9162
Mfr. Part No.D4A-A00
BrandOmron
$51.98
Each
units
- - -
RS Stock No. 794-8788
Mfr. Part No.D4SL-CN5
BrandOmron
$118.13
Each
units
Cable D4SL-N Series Guard Lock Safety-Door Switch, D4SL-NSK10-LK Series Mounting Slide Key Switches -
RS Stock No. 822-5500
Mfr. Part No.WL-1A200
BrandOmron
$19.43
Each
units
Roller Lever WL/WLM Series Limit Switches -
RS Stock No. 179-0861
Mfr. Part No.APB PG
BrandOmron
$10.74
Each
units
Enclosure Z15 Series -
RS Stock No. 822-5503
Mfr. Part No.WL-2A111
BrandOmron
$59.44
Each
units
Resin Roller Lever WL/WLM Series Limit Switches -
RS Stock No. 822-5516
Mfr. Part No.WL-4A100
BrandOmron
$11.08
Each
units
Actuator Lever WL/WLM Series Limit Switches -
RS Stock No. 748-2872
Mfr. Part No.D4A-C00
BrandOmron
$77.67
Each
units
Adjustable Roller Lever Omron Limit Switches -
RS Stock No. 748-2935
Mfr. Part No.WL-2A100
BrandOmron
$48.55
Each
units
Roller Lever WL Series -
RS Stock No. 748-2932
Mfr. Part No.WL-1A100
BrandOmron
$28.66
Each
units
Lever WL Series -