Electric Buttons | McMaster-Carr

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1,017 Products

Electrical Power, Networking, and Controlling

Push-Button Switches

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

389 products

Emergency Stop Switches

Cut power to equipment during emergencies

190 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Pendant Switches

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

91 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

36 products

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

5 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

25 products

Enabling Switches

Equipment only runs while you press the switch; also known as deadman switches

18 products

Air-Actuated Switches

Press with your hand or foot to turn circuits on and off with air pressure

7 products

Automatic Door Switches

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

9 products

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

4 products

Relays

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

45 products

Timer Relays

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

14 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

66 products

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products

Safety Equipment

Fire Alarm Pull Stations

Activate to send a signal to your control panel if there's a fire

1 product

Communication

Alarm Whistles

Create a high, shrill tone

2 products