Limit Switch Actuators & Operating Heads

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

436 Products showing for Limit Switch Actuators & Operating Heads

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Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 228-100 Mfr. Part No.: 3SE5000-0AC02 Datasheets: HK$487.10 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6493 Mfr. Part No.: 3SE5000-0AF03 Datasheets: HK$544.10 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Telemecanique Sensors ZCKE Series Limit Switch Operating Head for Use with XCKJ RS Stock No.: 195-1640 Mfr. Part No.: ZCKE675 Datasheets: HK$407.10 Each	Telemecanique Sensors	Limit Switch Head	XCKJ	ZCKE
Siemens 3SE Series Limit Switch Actuator RS Stock No.: 275-753 Mfr. Part No.: 3SE5132-0LJ60 Datasheets: HK$572.60 Each	Siemens	Mechanical Position Switches	-	3SE
Schneider Electric KNX Series Adapter for Use with MTN Series RS Stock No.: 288-2115 Mfr. Part No.: MTN682191 Datasheets: HK$7,045.22 Each	Schneider Electric	Analogue Input	MTN Series	KNX
Honeywell Limit Switch Operating Head for Use with WGLA Series, WLS Series RS Stock No.: 758-8513 Mfr. Part No.: GLZ51B Datasheets: HK$208.50 Each	Honeywell	Lever	WGLA Series, WLS Series	-
Siemens 3SE Series Limit Switch Actuator for Use with Position Switch 3SE51/52 RS Stock No.: 155-323 Mfr. Part No.: 3SE5000-0AA26 Datasheets: HK$120.70 Each	Siemens	Actuator	Position Switch 3SE51/52	3SE
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6235 Mfr. Part No.: 3SE5000-0AA82 Datasheets: HK$267.80 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6288 Mfr. Part No.: 3SE5000-0AE11 Datasheets: HK$454.30 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6480 Mfr. Part No.: 3SE5000-0AE01 Datasheets: HK$379.70 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE51 RS Stock No.: 216-3328 Mfr. Part No.: 3SE5000-0AA15 Datasheets: HK$192.00 Each	Siemens	Twist Lever	3SE51	3SE5
Siemens 3SE5 Series Actuator Head for Use with Position Switch 3SE52 RS Stock No.: 272-0068 Mfr. Part No.: 3SE50000AF121AJ0 Datasheets: HK$212.30 Each	Siemens	Actuator Head	Position Switch 3SE52	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6487 Mfr. Part No.: 3SE5000-0AE03 Datasheets: HK$544.10 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6392 Mfr. Part No.: 3SE5000-0AD03-1AJ0 Datasheets: HK$208.80 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6282 Mfr. Part No.: 3SE5000-0AF11 Datasheets: HK$454.40 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6572 Mfr. Part No.: 3SE5000-0AH00-1AJ0 Datasheets: HK$508.40 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6254 Mfr. Part No.: 3SE5000-0AA51 Datasheets: HK$405.20 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6305 Mfr. Part No.: 3SE5000-0AA02 Datasheets: HK$344.30 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE5 Limit Switch RS Stock No.: 768-6327 Mfr. Part No.: 3SE5000-0AF05 Datasheets: HK$378.40 Each	Siemens	Actuator Head	3SE5 Limit Switch	3SE5
Siemens 3SE5 Series Limit Switch Operating Head for Use with 3SE51, 3SE52 RS Stock No.: 213-1234 Mfr. Part No.: 3SE5000-0AD11 Datasheets: HK$524.30 Each	Siemens	Actuator Head	3SE51, 3SE52	3SE5