Water Switches | McMaster-Carr

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2,660 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

Limit Switches

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

Potentiometers

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

Snap-Acting Switches

Snap-Acting Switches

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

Sensor Switches

Sensor Switches

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

Disconnect Switches

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

Motor Switches

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

Motor Speed Controls

Motor Speed Controls

Manage the speed of AC and DC motors

Light Switch Sensors

Light Switch Sensors

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

Bumper Switches

Bumper Switches

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

Light Switches

Manually turn lights on and off

Motor Starters

Turn motors on and off and protect them from current overloads

Magnetic Switches

Magnetic Switches

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

Switch Mounts

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

Electrical Connectors and Cords

Electrical Connectors and Cords

Supply power to equipment by combining plugs, sockets, receptacles, and cords

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