Presence Sensors | McMaster-Carr

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Light Beam Switch Operation

On When Object Absent

On When Object Present

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U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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1,026 Products

Electrical Power, Networking, and Controlling

Sensor Switches

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

681 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

2 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

13 products

Switch Mats

Step on a mat to actuate circuits, often to control doors, lights, and alarms

33 products

Switch Padding

Trigger an emergency stop when robot arms contact a worker or object

4 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 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

3 products

Lighting

Light Switch Sensors

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

73 products

Light Switch Sensor Controllers

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

9 products

Light Switches

Manually turn lights on and off

2 products

Facility and Grounds Maintenance

Faucet Repair Parts

Replace faucet parts such as valves, O-rings, washers, and nuts

14 products

Mirrors

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

10 products