Power Switches | McMaster-Carr

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4,286 Products

Electrical Power, Networking, and Controlling

Rocker Switches

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

121 products

Lever Switches

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

155 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

260 products

Toggle Switches

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

127 products

Push-Button Switches

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

457 products

Motor Switches

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

45 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

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

190 products

Pendant Switches

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

93 products

Switch Contact Blocks

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

40 products

Foot Switches

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

94 products

Key Switches

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

77 products

Rotary Switches

Control multiple devices with a single switch

13 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Air-Actuated Switches

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

13 products

Transfer Switches

Switch to backup power during an outage

7 products

Toggle Switch Covers

Completely cover toggle switches to protect them from moisture and dust

16 products

Pull-Chain Switches

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

1 product

Switch Mats

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

45 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

36 products

Enclosure Door Switches

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

2 products

Pull Switches

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

4 products

DIP Switches

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

7 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

Joystick Switches

Move the joystick to steer and position cranes, robot arms, and other machinery

15 products

Fingerprint Scanners

Use fingerprints to confirm the identity of personnel before granting access to areas or equipment

3 products

Ethernet Switches

Expand your data network by connecting computers, printers, and servers

5 products

Push-Button Switch Covers

Completely cover push-button switches to protect them from moisture and dust

11 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

5 products

Ribbon Switches

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

15 products

Rocker Switch Covers

Completely cover rocker switches to protect them from moisture and dust

14 products

Relays

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

9 products

Monitoring Relays

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

31 products

Power Receptacles

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

702 products

USB Receptacles

Install in an outlet box to charge multiple devices

1 product

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

14 products

Mil. Spec. Connectors

Meet strict military standards or are compatible with Mil. Spec. connectors

167 products

Mini Connectors

Plugs, sockets, and receptacles send power and control signals to equipment and automated systems

78 products

Metric Circular Connectors

Plugs, sockets, receptacles, and adapters for equipment with metric connections

271 products

Solenoid Valve Connectors

Sockets and receptacles to connect solenoid components, such as valves and motors

17 products

Extension Cords

Extend the reach of power from an outlet

2 products

Metric Circular Cords

Send power and signal to equipment with metric connections

474 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

439 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

5 products

Outlet Boxes

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

34 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 Dimmers

Adjust the brightness of lights, even in large workspaces

18 products

Light Switch Sensors

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

74 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

10 products