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Limit switches with a plunger plus roller actuator activate when an object depresses the plunger; the roller is useful for contour following or to allow objects to pass easily. They are available in types ranging from micro-sized to heavy-duty IEC and NEMA-rated switches.
Limit Switches with a Plunger Plus Roller Style Actuator
Category Selection
Limit switches with a plunger plus roller-style actuator contain electromechanical switches that are open/closed when an object depresses the metal plunger. The roller attached to the plunger, available in metal, plastic, or nylon, is typically used for contour following and allows objects to pass freely. These limit switches are available in a variety of styles and sizes, ranging from economical micro switches to rugged heavy-duty IEC and NEMA-rated devices.
For part listings and specifications, go to Shop Now
Micro Limit Switches
Affordable micro limit switches offer reliability and durability while being one of the most inexpensive limit switches in the electronics market.
- High precision 15A-rated micro switches from IDEM
- Panel mount option available
- Screw terminals for easy connection
- Suitable for a wide range of operating conditions
- Metal plunger with metal roller and M12 x 1.0 fixing nuts
Starting at
$18.50
(176107-1)
30mm IEC Limit Switches
Limit switches designed to the European IEC standard are typically smaller and less expensive than NEMA devices but are application-specific and require a high degree of detail for the selection process. These 30mm body limit switches offer a compact body suitable for use in tight spaces.
- 90-degree adjustable head
- Models from AutomationDirect and Schmersal with die-cast zinc or double-insulated thermoplastic enclosures
- Metal plunger actuators with metal or plastic rollers
- Variety of N.O./N.C. configurations
- Positive opening N.C. contacts on all models
- ½" NPT conduit entries (may include adapter) or 5-pin M12 quick-disconnect
- IP65, IP66, or IP67 protection rating (depending on model)
Starting at
$13.50
(AAP2T13Z11)
40mm IEC Limit Switches
Standard 40mm body IEC limit switches are available in durable metal housings or non-metal bodies suitable for corrosive environments.
- 90-degree adjustable head
- Models from AutomationDirect and Schmersal with die-cast aluminum or double-insulated thermoplastic enclosures
- Metal plunger actuators with metal or plastic rollers
- Variety of N.O./N.C. configurations
- Positive opening N.C. contacts on all models
- M20 x 1.5 with ½" NPT adapter, ½" NPT or PG13.5 conduit entries
- IP65, IP66, or IP67 protection rating (depending on model)
Starting at
$28.00
(ZR-336-11Z)
65mm IEC Limit Switches
Heavy-duty 65mm IEC limit switches feature a rugged die-cast aluminum body with three conduit openings that save time and money when interconnecting multiple limit switches.
- 90-degree adjustable head, levers are adjustable to any angle on the operating shaft
- Conduit openings in 1/2" NPT or PG13.5
- Models from AutomationDirect with stainless steel plunger actuators and metal rollers
- Variety of N.O./N.C. configurations
- IP66 protection rating
Starting at
$48.00
(ABM6E13Z11)
Compact Limit Switches
Newest Additions!
- Schmersal 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.
- Models from AutomationDirect with double insulated plastic or die-cast metal housings
- Zinc die-cast switches from Schmersal with 45-degree adjustable head and thermoplastic housing
- Metal plunger actuators with nylon, plastic, or metal rollers
- Select models available with halogen free cables
- M12 quick disconnect or pigtail connection (depending on model)
- 1 N.O. and 1 N.C. contact on all units
- IP66/67 or IP67 protection rating (depending on model)
Starting at
$18.00
(AEP2G12Z11-1)
NEMA Limit Switches
Limit switches designed to the North American NEMA standard are intentionally oversized with a safety factor beyond their design ratings. NEMA devices are typically larger, more versatile, and easier to select than IEC devices, but are also more expensive. These robust Eaton F25 series limit switches consist of three modular, interchangeable, plug-in components: operating head, switch body, and wiring receptacle.
- 90-degree adjustable head
- Models from Eaton with die-cast zinc housings
- Metal plunger actuators with metal rollers
- N.O. and N.C. contacts on all limit switch units
- 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
$161.00
(F25ATP3)
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