Light Sensors | McMaster-Carr

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1/2" Circular Connector

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For Sensor/Switch OD

DFARS Specialty Metals

Diameter

Mount Type

Number of Wire Leads

Shape

Light Beam Type

697 Products

Lighting

Light Switch Sensors

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

74 products

Light Switch Sensor Controllers

Turn lights on and off or dim them in unison from a secure Bluetooth network

9 products

Light Switch Sensor Guards

Protect light switch sensors from damage and vandalism

5 products

Facility Lights

Illuminate both indoor and outdoor areas with a permanent light source

29 products

Light Poles

Bring light to your parking lot or walkway in minutes

4 products

Electrical

Sensor Switches

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

257 products

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 products

Switch Safety Barriers

Safely send power to switches and sensors in volatile areas such as refineries and power plants

2 products

Sensor Switch Transmitters

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

8 products

Switch Mounts

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

2 products

Development Board Sensor Modules

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

6 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Relays

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

4 products

Measuring and Inspecting

Light Meters

Measure light quality and intensity

20 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

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

Facility and Grounds Maintenance

Mirrors

View your reflection

8 products