Wet Location Switches | McMaster-Carr

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2,670 Products

Electrical Power, Networking, and Controlling

Lever Switches

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

127 products

Push-Button Switches

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

371 products

Toggle Switches

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

41 products

Limit Switches

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

99 products

Rocker Switches

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

10 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

154 products

Emergency Stop Switches

Cut power to equipment during emergencies

188 products

Finger-Touch Switches

Lightly touch with your finger to turn circuits on and off

36 products

Pendant Switches

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

89 products

Motor Switches

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

20 products

Battery Switches

Turn the knob to alternate between two batteries without interrupting power

1 product

Foot Switches

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

50 products

Key Switches

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

27 products

Tilt Switches

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

8 products

Rotary Switches

Control multiple devices with a single switch

6 products

Proximity Sensors

Detect the presence or position of objects from a short sensing distance

153 products

Magnetic Switches

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

49 products

Joystick Switches

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

15 products

Safety Switches

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

26 products

Snap-Acting Switches

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

9 products

Toggle Switch Covers

Completely cover toggle switches to protect them from moisture and dust

10 products

Pull Switches

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

3 products

Photoelectric Sensors

Detect objects from longer distances than proximity and ultrasonic sensors

169 products

Switch Mats

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

33 products

Vibration Switches

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

1 product

Speed-Monitoring Switches

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

1 product

Push-Button Switch Covers

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

7 products

Enabling Switches

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

14 products

Toggle Switch Seals

Seal dust and moisture out of switches while leaving the toggle exposed

3 products

Fingerprint Scanners

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

3 products

Bumper Switches

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

16 products

Transfer Switches

Switch to backup power during an outage

2 products

Ethernet Switches

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

8 products

Doorbell Switches

Activate doorbells or buzzers with the push of a button

1 product

Air-Actuated Switch Actuators

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

7 products

RFID Readers

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

8 products

Rocker Switch Covers

Completely cover rocker switches to protect them from moisture and dust

14 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

20 products

Safety Light Curtains

Immediately cut power to machinery when anything blocks the light beam

28 products

Ultrasonic Sensors

Measure the distance to objects and the level of liquids and materials

8 products

Linear Position Sensors

Measure the position of an object moving in a straight line; also known as string pots

3 products

Potentiometers

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

12 products

Motor Starters

Turn motors on and off and protect them from current overloads

89 products

HMIs

Control PLCs, inverters, and other automated equipment

32 products

DC Motor Drives

Control the speed and torque of DC electric motors

2 products

VFDs

Control the speed and torque of AC electric motors

4 products

Vehicle Relays

Switch high-current loads on vehicles, such as starters, headlights, and fuel pumps

9 products

Relays

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

6 products

Console Enclosures

Build out interfaces with buttons, gauges, and other components to monitor and control machinery

9 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

7 products

Fluid Handling

Pressure Switches

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

195 products

Differential Pressure Switches

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

37 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

6 products

Flow Switches

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

81 products

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

13 products

Float Switches

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

14 products

Paddle Level Switches

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

6 products

Directional Control Valves

Manage the flow of fluids to move equipment in air- and hydraulic-powered systems

42 products

Float Switch Relays

Amplify current to actuate equipment that has a higher current rating than your float switch

1 product

Temperature Switches

Turn heating equipment on or off at a specified temperature

93 products

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

26 products

Noncontact Temperature Sensor Transmitters

Send temperature readings of molten steel, furnaces, and other extremely hot surfaces to your PLC

10 products

Flow Transmitters

Send flow rate measurements to PLCs, data loggers, and remote displays

21 products

Pressure and Vacuum Transmitters

Convert pressure and vacuum measurements into a signal sent to remote displays and controllers

18 products

Heating, Ventilation, and Air Conditioning

HVAC Switches

Control and monitor airflow in HVAC systems automatically

1 product

Thermostats

Connect to heaters, fans, and air conditioners to control the temperature

4 products

Lighting

Light Switches

Manually turn lights on and off

8 products

Light Switch Sensors

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

9 products

Light Sockets

Install or replace sockets in fixtures for standard household, tubular, compact, or miniature bulbs

1 product

Building and Machinery Hardware

T-Slotted Framing Switches

Attach to your rail to actuate components or cut power

10 products

Cam Locks

Unlock with a key, magnetic fob, screwdriver, or number combination

23 products