Light Sensors | McMaster-Carr

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C-UL Recognized Component

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DFARS Specialty Metals

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Number of Wire Leads

Light Beam Adjustability

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615 Products

Electrical

Light Switch Sensors

Automatically turn lights on and off when you enter and exit rooms

75 products

Sensor Switches

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

298 products

Switch Mounts

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

2 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

18 products

Development Board Sensor Modules

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

6 products

Sensor Switch Transmitters

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

5 products

Relays

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

4 products

Light Switch Sensor Guards

Protect light switch sensors from damage and vandalism

5 products

Measuring and Inspecting

Light Meters

Measure light quality and intensity

18 products

Signal Output Testers

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

1 product

Lighting

Facility Lights

Illuminate both indoor and outdoor areas with a permanent light source

8 products

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

64 products

Positioning Arms

Mount and position tools, small electronics, and displays

8 products

Material Handling

Conveyor Accessory Mounts

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

48 products