Mechanical Switches | McMaster-Carr

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3,274 Products

Electrical Power, Networking, and Controlling

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

389 products

Lever Switches

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

155 products

Rocker Switches

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

121 products

Snap-Acting Switches

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

209 products

Switch Contact Blocks

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

40 products

Limit Switches

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

153 products

Motor Switches

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

45 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

260 products

Emergency Stop Switches

Cut power to equipment during emergencies

190 products

Foot Switches

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

94 products

Pendant Switches

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

93 products

Slide Switches

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

1 product

Rotary Switches

Control multiple devices with a single switch

13 products

Key Switches

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

77 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

22 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

108 products

Safety Switches

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

46 products

Pull-Chain Switches

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

1 product

Tilt Switches

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

8 products

Switch Mats

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

45 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Enclosure Door Switches

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

2 products

Joystick Switches

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

15 products

Toggle Switch Covers

Completely cover toggle switches to protect them from moisture and dust

16 products

Pull Switches

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

4 products

Air-Actuated Switches

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

13 products

DIP Switches

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

7 products

Transfer Switches

Switch to backup power during an outage

7 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

5 products

Push-Button Switch Covers

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

11 products

Vibration Switches

Monitor vibration in machinery and shut it down or sound an alarm if levels rise

4 products

Bumper Switches

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

31 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

Ribbon Switches

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

15 products

Automatic Door Switches

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

9 products

Lighting

Light Switches

Manually turn lights on and off

65 products

Fluid Handling

Pressure Switches

Activate controls, set off alarms, and power equipment when a set pressure is reached

266 products

Differential Pressure Switches

Activate controls and alarms when the pressure difference between process lines exceeds a setpoint

53 products

Vacuum Switches

Activate controls, set off alarms, and power equipment when a set vacuum is reached

22 products

Pressure and Vacuum Switches

Activate controls, set off alarms, and power equipment when a set pressure or vacuum is reached

3 products

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

130 products

Flow Switches

Turn equipment on or off when flow rate reaches a set point

163 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

29 products

Paddle Level Switches

Actuate when the paddle stops rotating to indicate the level of dry material

6 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

131 products

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products

Fabricating and Machining

Abrasive Blaster Safety Switches

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

11 products