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Limit switches with a plunger actuator activate when an object or mechanism depresses the plunger. These actuators can detect minuscule machine motion and are available in types ranging from high-precision touch to heavy-duty IEC and NEMA-rated switches. Select models offer manual or remote reset.
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Limit Switches with a Plunger Actuator
Limit switches with a plunger-style actuator use the physical movement of a plunger to control the open/closed state of an electrical switch. These actuators detect minuscule machine motion well and offer a smaller form factor than most rotary lever-type actuators. Care must be taken with the tooling to prevent damage to the plunger.
For part listings and specifications, go to Shop Now
IEC Limit Switches
Limit switches designed to the European IEC standard are typically smaller and less expensive than the corresponding NEMA devices. These affordable light-, medium-, and heavy-duty IEC limit switches are suitable for a wide variety of industrial applications.
- AchieVe, AutomationDirect, and
Schmersal brands
- Metal or plastic
housings
- 90-degree adjustable
head
- Snap-action contacts
- Variety of N.O./N.C.
configurations (with positive opening N.C. contacts)
- 30, 40, 50, and 65mm
body widths
- Single or multiple
conduit entries (depending on model) in various sizes
- IP65, IP66, or IP67
protection rating (depending on model)
- Manual and remote reset available on select models
- 5-pin M12
quick-disconnect connection option on select models
Starting at
(AAP2T10Z11)
Compact Limit Switches
Compact limit switches are suitable for a variety of applications, their small size allowing them to easily be used in confined spaces.
- AchieVe and Schmersal brands
- Double-insulated plastic or die-cast metal housings
- 45-degree adjustable head style available
- Select models offer halogen free cables
- Models with metal or plastic plungers
- M12 quick disconnect or pigtail connection (depending on model)
- 1 N.O./1 N.C. or 2 N.O./2 N.C. contact configurations (depending on model)
- IP66/67 or IP67 protection rating (depending on model)
Starting at
(AEP2G11Z11-1)
NEMA Limit Switches
Limit switches
designed to the North American NEMA standard are intentionally oversized with a
safety factor beyond their design ratings. These robust limit switches
are built to withstand the harshest industrial environments and ensure the uninterrupted operation of equipment.
- Eaton brand
- 90-degree adjustable head
- Die-cast zinc housings
- 1 N.O./1 N.C. or 2 N.O./2 N.C. contact configurations (depending on model)
- SPDT and DPDT snap action configurations available
- NEMA A600 R300 contact ratings
- ½" NPT conduit entrance
- NEMA 3, 3S, 4, 4X, 6, 6P, 13, IP67
Starting at
(F25ATP1)
Micro Limit Switches
Affordable micro limit switches with metal plungers offer reliability and durability while being one of the most inexpensive limit switches in the electronics market.
- IDEM brand
- High-precision 15A rating
- Panel mount option available
- Screw terminals for easy connection
- Suitable for a wide range of operating conditions
Starting at
(176101-1)
High Precision Touch Limit Switches
High precision touch limit switches enable extremely precise positioning in all types of equipment, such as jigs, industrial robots, and machine tools.
- Metrol brand
- 8, 10, and 14mm body diameters
- 3 or 10mm stroke lengths
- 0.5 micron (µm) repeat accuracy
- N.O. or N.C. contacts (depending on model)
- Non-LED model offered at a reduced price
- No movement differential
- No temperature drift
- Stainless steel construction
- IP67 protection rating
Starting at
(P10DB-A)
High Precision Tool Setter Limit Switches
High precision tool setter limit switches are used to determine the length, diameter, or position of a tool or workpiece. They measure tool wear and ensure that tools are positioned accurately, allowing for precise cuts and measurements.
- Metrol brand
- 5 or 10mm diameter flat head types
- 16 or 18.5mm diameter actuators
- 3 or 5mm stroke length
- 0.5 micron (µm) repeat accuracy
- Models offered with or without protective covers
- N.C. contacts
- Models offered in 4.6mm through-hole or M4 threaded mounting options
- Stainless steel construction
- Select model offers an air pipe option for cleaning the contact surface
- IP67 protection rating
Starting at
(P11DDB-DLD)
Precision Touch Limit Switches
Precision touch limit switches offer repeatability and a long service life. They are available with a variety of actuators, such as ball plungers, flat plungers, plungers with a surface radius, and needle contact plungers. Select switches are available for special applications.
- Metrol brand
- Body diameter sizes from 4 to 12mm
- Sliding/angled touch sense depressions in tooling or other surfaces for indexing operations
- High temperature series can be used in demanding environments such as in tooling and injection molding machines
- N.O. or N.C. contacts (depending on model)
- Low Contact Force switches detect workpieces prone to scratching or deformation, such as semiconductors and ceramics
- Vacuum switches are made of low outgas materials for wafer and mask detection applications in vacuum chambers and semiconductor manufacturing equipment
- Non-LED models offered at a reduced price
- Stainless steel construction
- Up to IP67 protection rating
Starting at
(CSJ055A)
Stopper Limit Switches
Stopper limit switches incorporate a mechanical stop with a limit switch function and can be directly embedded in a limited mounting space to reduce the size of the machine.
- Metrol brand
- 8, 10, or 11mm body diameters
- Smooth and threaded barrel options
- 0.3 or 0.5mm stroke lengths
- 10 micron (µm) repeat accuracy
- N.O. contacts
- Non-LED models offered at a reduced price
- Stainless steel construction
- IP67 protection rating
Starting at
(STM11A)
Stopper Bolt Limit Switches
Stopper bolt limit switches accomplish two tasks with one device: they withstand the impact force required to stop a target and provide an output signal. Stopper bolt models are available in straight bolt, hexagonal bolt, waterproof, and mini housings.
- Metrol brand
- 6, 8, or 10mm body diameters
- 0.7mm stroke length
- Up to 4N contact force
- 5000N withstand load/impact resistance
- N.O. contacts
- Non-LED model offered at a reduced price
- Stainless steel construction
- IP67 protection rating
Starting at
(STS060PA)
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