Photoelectric Sensors | McMaster-Carr

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Light Beam Switch Operation

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Electrical Connection Component

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Mounting Thread Size

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398 Products

Electrical

Sensor Switches

Sensor Switches

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

Switch Mounts

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

Light Switch Sensors

Light Switch Sensors

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

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

Development Board Sensor Modules

Development Board Sensor Modules

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

Relays

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

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

Positioning Arms

Positioning Arms

Mount and position tools, small electronics, and displays

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

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.)