Water Switches | McMaster-Carr

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Food and Beverage

High-Pressure Washdown

High-Temperature Washdown

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Cross Roller Plunger

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Electrical Connection

1" Circular Connector

1/2" Circular Connector

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Input Voltage

12V AC to 240V AC

20V AC to 30V AC

20V AC to 132V AC

20V AC to 140V AC

20V AC to 250V AC

20V AC to 265V AC

24V AC to 240V AC

24V AC to 250V AC

30V AC to 250V AC

85V AC to 250V AC

200V AC to 240V AC

Switch Starting Position

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Electrical Connector Component

Certification

C-UL Recognized Component

CSA-US Certified

EHEDG Certified

TUV Rheinland Certified

TUV SUD Certified

UL Marine Listed

Panel Cutout Diameter

Switching Current

Switch Designation

REACH

RoHS

Compliant with Exemptions

Export Control Classification Number (ECCN)

DFARS Specialty Metals

Housing Material

Stainless Steel

Mounting Location

Printed Circuit Board

How can we improve?

4,115 Products

Fluid Handling

Float Switches

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

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Flow Switches

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

Flow Transmitters

Flow Transmitters

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

Electrical

Manual Switches

Manual Switches

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

Motor Switches

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

Potentiometers

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

Sensor Switches

Sensor Switches

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

Snap-Acting Switches

Snap-Acting Switches

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

Magnetic Switches

Magnetic Switches

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

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Bumper Switches

Bumper Switches

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

Ethernet Switches

Ethernet Switches

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

Limit Switches

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Switch Mounts

Mount sensor switches to panel cutouts, tank walls, or conveyors

Sensor Switch Transmitters

Sensor Switch Transmitters

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

Motor Starters

Turn motors on and off and protect them from current overloads

Metric Circular Cords

Metric Circular Cords

Send power and signal to equipment with metric connections

Ecomate Connectors

Ecomate Connectors

Connect machine tools, robots, and other vibrating equipment

Power Connectors

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

Mil. Spec. Connectors

Mil. Spec. Connectors

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

Mini Connectors

Mini Connectors

Plugs, sockets, and receptacles send power and signal to equipment and automated systems

Metric Circular Connectors

Metric Circular Connectors

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

Solenoid Valve Connectors

Solenoid Valve Connectors

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

Lighting

Light Switch Sensors

Light Switch Sensors

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

Light Switches

Manually turn lights on and off

Communication

RFID Readers

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

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)