Waterproof Switches | McMaster-Carr

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3,119 Products

Electrical Power, Networking, and Controlling

Toggle Switches

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

63 products

Push-Button Switches

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

330 products

Rocker Switches

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

38 products

Pendant Switches

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

85 products

Lever Switches

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

104 products

Limit Switches

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

134 products

Snap-Acting Switches

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

59 products

Motor Switches

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

20 products

Foot Switches

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

50 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

26 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

156 products

Switch Mats

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

23 products

Emergency Stop Switches

Cut power to equipment during emergencies

143 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

1 product

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

70 products

Tilt Switches

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

8 products

Key Switches

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

15 products

Joystick Switches

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

11 products

Vibration Switches

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

4 products

Safety Switches

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

59 products

Switch Mounts

Mount switches to panel cutouts, tank walls, or conveyors

5 products

Sensor Switches

Detect moving objects from a distance, triggering a circuit to open or close

629 products

Speed-Monitoring Switches

Avoid downtime and machinery damage by detecting slowdowns in drive trains and conveyors

3 products

Pull Switches

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

3 products

Fingerprint Scanners

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

2 products

Bumper Switches

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

16 products

Ethernet Switches

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

20 products

Photoelectric Switch Reflectors

Pair with sensor switches to reflect light back at them

38 products

Sensor Switch Transmitters

Monitor objects, switch equipment on and off, and send data to control systems with a single device

21 products

Enabling Switches

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

9 products

Air-Actuated Switch Actuators

Pair with a switching mechanism to create a custom air-actuated switch

3 products

Ribbon Switches

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

2 products

Potentiometers

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

13 products

Motor Speed Controls

Manage the speed of AC and DC motors

6 products

Motor Starters

Turn motors on and off and protect them from current overloads

161 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

44 products

Power Receptacles

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

2 products

Lighting

Light Switches

Manually turn lights on and off

4 products

Light Switch Sensors

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

5 products

Fluid Handling

Pressure Switches

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

213 products

Differential Pressure Switches

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

20 products

Vacuum Switches

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

20 products

Pressure and Vacuum Switches

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

5 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

99 products

Differential Pressure Transmitters

Relay pressure changes in heating, cooling, and pumping systems to controllers and remote displays

3 products

Measuring and Inspecting

Rotary Switches

Control multiple devices with a single switch

4 products

Material Handling

Conveyor Accessory Mounts

Position guides or sensors to the exact spot needed for your conveyor

54 products

Building and Machinery Hardware

Brackets

Connect surfaces in an assembly

64 products

Communication

RFID Readers

Read RFID cards when prototyping systems or scan RFID tags to control circuits

2 products