Electrical Plungers | McMaster-Carr

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Actuator Style

Switching Voltage

Environment

High-Pressure Washdown

Actuator Height

Enclosure Rating

Switching Current

Switch Starting Position

Actuator Material

Switch Action

Number of Terminals

Housing Material

Wire Connection

Electrical Connection Type

Switch Designation

Number of Circuits Controlled

Number of Mounting Holes

Housing Height

Actuation Force

Certification

Housing Length

REACH

RoHS

Compliant with Exemptions

Not Compliant

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Yes

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

Mounting Hole Diameter

153 Products

Limit Switches

Safety Limit Switches

Protect machinery and personnel by opening the circuit even if a spring fails or contacts stick

10 products

Limit Switches

A large actuator with rapid-closing action opens and closes a circuit when objects contact it

29 products

Compact Safety Limit Switches

Shorter and thinner than other safety limit switches to fit into tight spaces

13 products

Build-Your-Own Limit Switches

Combine an actuator and a switch for the exact limit switch you need

28 products

Manual-Reset Safety Limit Switches

Manually reset after actuation to prevent equipment from automatically restarting

3 products

Low-Profile Limit Switches

Slim enough to stack multiple switches together or fit into tight spaces

21 products

Sealed Low-Profile Limit Switches

Sealed to keep out contaminants and slim enough to stack together or fit into tight spaces

11 products

Panel-Mount Light-Touch Limit Switches

Our most sensitive limit switches actuate with the slightest push for high accuracy

2 products

Washdown Limit Switches

NEMA 3S and IP69K to handle washdowns and high pressures and temperatures

13 products

Rotary Limit Switches

Start or stop equipment after a set number of rotations to avoid over-rotation

4 products

Panel-Mount Low-Profile Limit Switches

Install in panel cutouts in tight spaces or when you need to stack multiple switches together

3 products

Heavy Duty Limit Switches

Rugged enough for mining operations, but they require high actuation force, such as heavy rocks

5 products

Hazardous Location Limit Switches

The housing is sealed, so they won't ignite flammable gas or dust when they open or close a circuit

2 products

Wireless Self-Powered Limit Switches

They power themselves, so you can install them where changing a battery is difficult

9 products

Panel-Mount Sealed Wet-Location Limit Switches

A seal prevents the switch from jamming, even when exposed to oil, sand, mud, or ice

4 products