On/Off Switches | McMaster-Carr

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2,134 Products

Electrical Power, Networking, and Controlling

Toggle Switches

Flip the toggle from one position to the other, turning circuits on and off

126 products

Lever Switches

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

145 products

Rocker Switches

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

105 products

Push-Button Switches

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

340 products

Push-Button Switch Contact Blocks

Pair with an actuator to create a custom switch

38 products

Switch Contact Blocks

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

40 products

Motor Switches

Turn motors, lighting, and electric heat circuits on and off

45 products

Key Switches

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

76 products

Slide Switches

Like a flashlight, the switch slides from one side to the other to turn circuits on and off

1 product

Emergency Stop Switches

Cut power to equipment during emergencies

177 products

Foot Switches

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

94 products

Rotary Switches

Control multiple devices with a single switch

6 products

Pendant Switches

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

85 products

Pull-Chain Switches

Pull a chain to send a signal, such as for turning on and off lights and fans

1 product

DIP Switches

Slide actuators to open or close each circuit to configure instructions for electronic devices

7 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

35 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Switch Mats

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

45 products

Air-Actuated Switches

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

6 products

Enclosure Door Switches

Control fans, lights, and other devices inside your enclosure when you open and close the door

2 products

Touch-Pad Switches

Lay flat or mount on a wall to alert you when doors open or objects are removed

4 products

Enabling Switches

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

18 products

Pull Switches

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

4 products

Ribbon Switches

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

15 products

Potentiometers

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

1 product

Motor Starters

Turn motors on and off and protect them from current overloads

451 products

Relays

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

9 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

18 products

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

70 products

Power Cords

Connect equipment and devices to a power source

2 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

8 products

Lighting

Light Switches

Manually turn lights on and off

65 products

Light Switch/Receptacles

Combine a switch and receptacle into a single outlet box for a small footprint

3 products

Light Switch Sensors

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

8 products

Light Switch Sensor Controllers

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

9 products

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

12 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

15 products

Fabricating and Machining

Abrasive Blaster Safety Switches

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

11 products