Through Beam Sensors | McMaster-Carr

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573 Products

Electrical

Sensor Switches

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

314 products

Sensor Switch Transmitters

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

8 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

11 products

Light Switch Sensors

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

75 products

Relays

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

4 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

Brackets

Connect surfaces in an assembly

64 products

Material Handling

Conveyor Accessory Mounts

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

48 products