Through Beam Sensors | McMaster-Carr

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Light Beam Switch Operation

On When Object Absent

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1/2" Circular Connector

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High-Pressure Washdown

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DFARS Specialty Metals

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613 Products

Electrical

Sensor Switches

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

275 products

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 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

44 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

Lighting

Light Switch Sensors

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

75 products

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