Wet-Environment Sensor Switches

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403 Products

Choosing a Proximity Switch

Photoelectric Switches with Relay Output

A built-in relay produces AC voltage output. These switches are often used with older programmable logic controllers (PLCs).

Time-Delay Photoelectric
Switches with Relay Output

Set these switches to delay activation by up to five seconds after detecting an object.

Photoelectric Switches

Detect the presence or absence of an object moving at high speeds with a light beam. These switches have a longer sensing distance than proximity and ultrasonic switches.

Space-Saving Photoelectric Switches

With a narrow, flat body, these switches fit in tight spaces.

Harsh Environment Photoelectric Switches

Rated IP69K, these switches can withstand high-pressure, high-temperature washdowns and temporary submersion.

Time-Delay Fiber-Optic Photoelectric Switches

Set these switches to delay activation by up to fifteen seconds after detecting an object.

Fiber-Optic Photoelectric Switches

The highly flexible fiber-optic cable and small sensing end help you position these switches in hard to reach areas.

Precision Photoelectric Switches

Detect objects as thin as a freshly sharpened pencil tip. These switches are best for tight spaces because they have a smaller light beam and can detect smaller objects than standard photoelectric switches.

Wide-Angle Safety Barrier Switches

Scanning 275° side-to-side for people and objects, these switches (known as safety laser scanners) cover large areas and send signals to machinery to prevent accidents.

Roller-Conveyor-Mount Photoelectric Switches

A slim design and a light beam that’s angled upwards allow these switches to sense objects from between conveyor rollers.

Sanitary Photoelectric Switches

Maintain sanitary standards—these switches have smooth surfaces without crevices, so they prevent bacteria from building up and are easy to clean.

DC Metallic-Object Proximity Switches

These switches use DC input voltage and produce PNP or NPN signal output. They're often used with programmable logic controllers (PLCs).

DC Metallic-Object Proximity
Switches for Long Distances

Sense objects from farther away than with other DC proximity switches that have the same diameter.

No-Distance-Correction DC
Metallic-Object Proximity Switches

Eliminate the need to calculate the sensing distance when using different metals—these switches sense all metal at the same distance. Also known as K=1 sensors.

Rotatable DC Metallic-Object Proximity Switches

Turn the face on these switches to sense metallic objects from the front, sides, top, or bottom.

Hazardous Location DC
Metallic-Object Proximity Switches

Use these switches to sense metallic objects in environments containing flammable gases and combustible dust. ATEX and IECEx certified to protect against explosion, they produce a low-current, low-voltage NAMUR signal, so they won’t ignite or create sparks.

Hazardous Location Rotatable DC
Metallic-Object Proximity Switches

Twist the sensor to detect metallic objects where explosive dust or gas may be present—the sensor rotates for front, side, top, or bottom sensing. These switches are UL and C-UL listed as well as ATEX and IECEx certified for hazardous locations.

AC Metallic-Object Proximity
Switches for Long Distances

These switches have a longer sensing distance compared to other proximity switches with the same diameter.

Flat-Body AC/DC Metallic-Object Proximity Switches

Mount these flat inductive switches to a base or rail to remotely detect metallic objects in wet and dirty environments.

Rotatable AC/DC Metallic-Object Proximity Switches

Rotate the face on these switches five different directions for easy installation and positioning—they work with both AC and DC inputs.

DC Universal-Object Proximity Switches

Often used with programmable logic controllers (PLCs), these switches use DC input voltage and produce PNP or NPN signal output.

Harsh Environment DC
Universal-Object Proximity Switches

Rated NEMA 4X, 6P, IP68 and IP69K, these switches resist corrosion and high-pressure, high-temperature washdowns, and can withstand temporary submersion.

AC/DC Universal-Object Proximity Switches

Switches accept both AC and DC input voltage.

Ultrasonic Switches

Detect objects and liquid or material levels to set off actions in your system—regardless of size, shape, or surface finish.

Light Switches

Fixture-Mount Motion-Sensing Light Controls

Detect motion near your light fixture to turn lights on and off. Compared to switch-mount motion controls that detect from a single wall, these controls have a better view of the entire space since they sense motion from above.

Washdown Wall-Mount Motion-
and Light-Sensing Light Controls

Rated NEMA 4X and IP66 for use in washdown environments, these controls have an actuator that’s sealed to keep water out. They turn lights on when they detect motion and off when a room is empty or there’s enough daylight.

Easy-Clean Touch Light Switches

Flat and completely smooth, these switches are easy to wipe down. With just a light tap, you can switch lights on and off, even if you’re wearing gloves.

Manual Switches

Light Beam Finger-Touch Switches

An infrared light beam senses the lightest finger contact to switch a circuit on or off.

Finger-Touch Switches

The light touch of a finger turns circuits on and off without pressing down a contact. Program these switches to fit your application—control their color, pattern, and sensitivity.

Fingerprint Switches

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

Two-Hand Safety Switches

It takes two hands to activate these switches, minimizing the risk of accidental equipment start up.

Flow and Level Monitoring and Control

Noncontact Level Switches for Conductive Liquids

Measure the level of conductive liquids without drilling a hole in your tank—these switches mount to the outside of the tank and track the capacitance between them and the tank’s contents.

Level Switches for Conductive Liquids

Short probes are built into the tip of these switches.

Ultrasonic Noncontact Level Switches for Chemicals

Use high-frequency sound waves to detect chemical level.

Sanitary Level Switches

Detect when oil rises on water, foam forms on beer, and tanks empty, triggering pumps and valves in food and sanitary lines. These switches are 3-A and European Hygienic Engineering and Design Group (EHEDG) certified since they’re easy to keep clean.

Ultrasonic Transmitters

Measure the distance to objects and the level of liquids and materials despite size, shape, or surface finish, and send that information to other parts of your system.