Position Sensors | McMaster-Carr

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System of Measurement

Diameter

Signal Output

Input Voltage

12V AC to 240V AC

20V AC to 132V AC

20V AC to 140V AC

20V AC to 240V AC

20V AC to 250V AC

20V AC to 265V AC

24V AC to 240V AC

24V AC to 250V AC

30V AC to 250V AC

85V AC to 250V AC

95V AC to 250V AC

4.5V DC to 5.5V DC

Actuator Style

Cross Roller Plunger

Dual Switch Roller Lever

Simulated Roller Lever

Number of Wire Leads

Mounting Thread Size

Switching Voltage

Wire Connection

Housing Material

Stainless Steel

Sensor Type

Environment

Food and Beverage

High-Pressure Washdown

High-Temperature Washdown

Length

Switch Starting Position

Electrical Connection

1/2" Circular Connector

Circular Metric

Enclosure Rating

Number of Poles

Sensor Method

Number of Terminals

DFARS Specialty Metals

Export Control Classification Number (ECCN)

REACH

RoHS

Compliant with Exemptions

Mount Type

Unthreaded Hole

Switch Designation

Switching Current

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1,516 Products

Electrical

Sensor Switches

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

Linear Motion Position-Measuring Transmitters

Linear Motion Position-Measuring Transmitters

Measure the position of an object moving in a straight line; also known as string pots

Magnetic Switches

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

Snap-Acting Switches

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

IO Link Programmers

IO Link Programmers

Configure your IO Link devices without a PC, outlet, or separate software

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

Sensor Switch Transmitters

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Development Board Sensor Modules

Development Board Sensor Modules

Transform your development board into everything from an airflow monitor to a motion detector

Measuring and Inspecting

Signal Output Testers

Signal Output Testers

Check if the signal output of a DC switch is NPN or PNP to know how to wire components

Position Indicators

Position Indicators

Track components on rotating spindles or lead screws to help adjust machinery quickly and precisely

Fluid Handling

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

Indicating Knobs

Indicating Knobs

Control devices and view settings at a glance

Material Handling

Conveyor Accessory Mounts

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)