Photoelectric Sensors | McMaster-Carr

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1/2" Circular Connector

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637 Products

Electrical Power, Networking, and Controlling

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

263 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 products

Photoelectric Sensor Reflectors

Pair with reflector photoelectric sensors to bounce light back at them

38 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Automatic Door Switches

Doors open when you touch a button or the switches detect motion

2 products

Development Board Sensor Modules

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

6 products

Safety Relays

Monitor circuits and force machines to a safe stop if the relay detects a fault

6 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

Ceiling Lights

Mount to ceilings to light up large spaces

3 products

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

64 products

Positioning Arms

Mount and position tools and other small equipment

8 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

Material Handling

Conveyor Accessory Mounts

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

54 products

Facility and Grounds Maintenance

Mirrors

View your reflection or deflect beams from safety barrier switches for a perimeter around machinery

10 products