24V DC Switches | McMaster-Carr

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EAR99

DFARS Specialty Metals

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1,197 Products

Electrical Power, Networking, and Controlling

Lever Switches

Grip and twist the lever to turn circuits on and off, preventing accidental actuation

93 products

Push-Button Switches

Our most common switch type actuates circuits with the push of a button

259 products

Switch Contact Blocks

Mount to switches to control electrical circuits as you move the switch

32 products

Rocker Switches

Press the wide, flat surface to easily turn circuits on and off

15 products

Emergency Stop Switches

Cut power to equipment during emergencies

111 products

Pendant Switches

Control machinery, such as cranes, hoists, and trolleys, from a safe distance

58 products

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

31 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

5 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

36 products

Magnetic Switches

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

52 products

Key Switches

Turn a key to actuate circuits, preventing accidental start and limiting access

43 products

Switch Mats

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

35 products

Safety Switches

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

20 products

Tilt Switches

Trip circuits when tilted; use as position indicators, pump level controls, and limit switches

2 products

Foot Switches

Step on the pedal to actuate circuits while keeping your hands free for other tasks

1 product

Timer Switches

Automatically turn electrical equipment on or off after a set interval

1 product

Sensor Switches

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

1 product

Bumper Switches

Signal when overhead doors close or items reach the end of conveyors

15 products

Pull Switches

Tug on a cable or rope to turn on and off circuits, often for production lines along conveyors

1 product

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

1 product

Ribbon Switches

Place across driveways or walkways to actuate when foot and vehicle traffic pass over

13 products

Relays

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

102 products

PLCs

Program complex automation jobs by combining the functionality of a relay, timer relay, and switch

4 products

Timer Relays

Turn machinery on or off after receiving an electrical signal that starts the timer

100 products

Vehicle Relays

Switch high-current loads on vehicles, such as starters, headlights, and fuel pumps

13 products

Latching Relays

Lock into position so they don't require constant voltage to stay switched

7 products

Safety Relays

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

11 products

Monitoring Relays

Trip circuits or sound an alarm when voltage, current, or other limits are exceeded

19 products

Interface Relays

Isolate input and output circuits to protect PLCs and other controllers

3 products

Measuring and Inspecting

Rotary Switches

Control multiple devices with a single switch

4 products

Fabricating and Machining

Abrasive Blaster Safety Switches

Shut off abrasive blasters if the operator loses control; also known as deadman switches

4 products

Fluid Handling

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

5 products