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. 822-5503
Mfr. Part No.WL-2A111
BrandOmron
HK$144.27
Each
units
Resin Roller Lever WL/WLM Series Limit Switches -
RS Stock No. 822-5500
Mfr. Part No.WL-1A200
BrandOmron
HK$100.47
Each
units
Roller Lever WL/WLM Series Limit Switches -
RS Stock No. 179-0861
Mfr. Part No.APB PG
BrandOmron
HK$48.18
Each
units
Enclosure Z15 Series -
RS Stock No. 822-5516
Mfr. Part No.WL-4A100
BrandOmron
HK$57.31
Each
units
Actuator Lever WL/WLM Series Limit Switches -
RS Stock No. 841-1449
Mfr. Part No.D4A-0001N
BrandOmron
HK$630.30
Each
units
Roller Lever Head D4A Series Limit Switch -
RS Stock No. 807-4416
Mfr. Part No.XS5C-D421
BrandOmron
HK$134.20
Each
units
Assembly Connector Sockets XS5 Sensor I/O Connector -
RS Stock No. 827-9162
Mfr. Part No.D4A-A00
BrandOmron
HK$205.46
Each
units
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