Wet Location Switches | McMaster-Carr

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2,691 Products

Electrical Power, Networking, and Controlling

Manual Switches

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

799 products

Limit Switches

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

99 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

116 products

Motor Switches

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

20 products

Sensor Switches

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

290 products

Snap-Acting Switches

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

9 products

Tilt Switches

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

8 products

Manual Switch Covers

Completely cover switches to protect them from moisture and dust

30 products

Magnetic Switches

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

49 products

Safety Switches

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

26 products

Speed-Monitoring Switches

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

1 product

Vibration Switches

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

1 product

Manual Switch Seals

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

3 products

Timer Switches

Automatically turn electrical equipment on or off after a set interval

20 products

Ethernet Switches

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

8 products

Transfer Switches

Switch to backup power during an outage

2 products

Bumper Switches

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

16 products

Sensor Switch Transmitters

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

4 products

Potentiometers

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

13 products

Motor Starters

Turn motors on and off and protect them from current overloads

164 products

Motor Speed Controls

Manage the speed of AC and DC motors

14 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

11 products

Light Curtains

Immediately cut power to machinery when anything blocks the light beam

18 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

5 products

Flow Switches

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

81 products

Float Switches

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

14 products

Float Switch Relays

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

1 product

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

13 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

40 products

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

26 products

Temperature Switches

Turn heating equipment on or off at a specified temperature

93 products

Noncontact Temperature Sensors

Monitor the temperature of hazardous, sensitive, and hard-to-reach materials without touching them

5 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

4 products

Light Switch Sensors

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

5 products

Light Sockets

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

1 product

Communication

RFID Readers

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

2 products

Building and Machinery Hardware

Cam Latches

Secure drawers, cabinets, mailboxes, and other enclosures

18 products