Object Detectors | McMaster-Carr

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1/2" Circular Connector

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987 Products

Electrical

Sensor Switches

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

720 products

IO Link Programmers

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

1 product

Switch Mounts

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

4 products

Development Board Sensor Modules

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

5 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

18 products

Light Curtain Cords

Connect multiple light curtains in a row

4 products

Light Curtain Brackets

Swivel a transmitter and receiver from side-to-side for easier alignment during installation

1 product

Relays

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

3 products

Sensor Switch Transmitters

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

5 products

Measuring and Inspecting

Signal Output Testers

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

1 product

Building and Machinery Hardware

Positioning Arms

Mount and position tools, small electronics, and displays

23 products

Brackets

Connect surfaces in an assembly

64 products

Fluid Handling

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

8 products

Material Handling

Conveyor Accessory Mounts

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

48 products