On/Off Switches | McMaster-Carr

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2,084 Products

Electrical Power, Networking, and Controlling

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

1,120 products

Manual 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

46 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

Tablet Holders

Equip tablets with safety switches to halt robots, conveyors, and other machinery in an instant

3 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 Cords

Connect equipment and devices to a power source

2 products

Power Receptacles

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

70 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

58 products

Light Switch Sensors

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

8 products

Light Switch/Receptacles

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

2 products

Light Switch Sensor Controllers

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

9 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

6 products