Magnetic Switches | McMaster-Carr

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Wire Lead Length

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EAR99

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198 Products

Electrical

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

88 products

Sensor Switches

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

13 products

Safety Switches

Protect people by cutting power to machines when access doors open; also known as interlock switches

4 products

Sensor Switch Transmitters

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

8 products

Measuring and Inspecting

Variance Indicator Holder Bases

Thread a post into the hole to mount variance indicators

16 products

Communication

Audible Alarms

Everything from bells and whistles to horns and sirens

5 products

Audible Alarms/Indicator Lights

Alert people with both light and sound

1 product

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

18 products