Ultrasonic Switches

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50 Products

Noncontact Liquid-Level Transmitters

Use these transmitters to measure the levels of corrosive, dirty, or sticky liquids without coming into contact with them. They’ll continuously send measurements, so you can monitor status and manage components in your system. Mount at the top of your tank. There should be no tank walls, agitators, or other objects in the path of the transmitter.

Ultrasonic

Transmitter

Ultrasonic transmitters use high-frequency sound waves and are often used to measure water, wastewater, chemicals, and oil but won’t work on vapors, foam, and other media that’s difficult to measure. The included fob allows you to connect your transmitter to your computer, where you'll download software that guides you through the setup process to make sure you get accurate readings.

Digital Switch Output—Transmitters with a switch can also signal your controller to turn components on or off when they reach a set level.

NEMA 6P Enclosure Rating—NEMA 6P rated transmitters protect against dust, weather, washdowns, corrosion, and submersion. IP68 rated transmitters seal out dust and water from temporary submersion.

				Overall
	Pipe Size	For Liquid Level, ft.	Max. Pressure @ Temp.	Dia.	Lg.	Temp. Range, ° F	Cable Lg., ft.	Input Voltage, V DC	Electrical Connection	Enclosure Rating	Includes		Each
NPT Male Pipe Connection







				4-20 mA Signal with Switch

				1	0 to 4	30 psi @ 70° F	2"	3 1/4"	-30 to 140	4	24	Wire Leads	NEMA 6P	USB Configuration Fob	3407K11	0000000

Replacement USB Adapters for Ultrasonic Transmitters

Electrical Connection	Component		Each
USB-A	USB Adapter	3407K19	000000

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. Unlike photoelectric switches, which use light to detect objects, these transmitters emit high-frequency sound waves that target small spots, so the surface and structure of your object won’t affect results. This makes them great for materials with uneven surfaces, such as granules and powder. They also sense objects in dirty and wet places, but they don’t work well where there’s wind, since it could disrupt their sound waves. Use their plug to quickly connect and disconnect to cables with a socket (sold separately). UL listed, C-UL listed, and CE marked, they meet American, Canadian, and European safety standards.

All transmitters have an analog output, which means they continuously send measurements to monitor status and manage components in your system.

Rated IP67, all of these transmitters seal out dust and water if briefly submersed.

Straight


	4-Pole M12 Plug

Digital—Some transmitters also have a digital output that signals your controller to turn components on or off whenever an object is detected or a set level is reached.

IO-Link Communication Protocol—Transmitters with IO Link connect to a programmable logic controller (PLC), so you can remotely change settings and receive error messages. You need an IO-Link controller (not included) to connect.

	Sensors														Cables with Socket
	No. of Outputs	Signal Output	Output Analog Signal	Sensing Distance	Input Voltage, V DC	Control Communication Protocol	Dia., mm	Lg., mm	Housing Material	Circuit Protection	Temp. Range, ° F	Enclosure Rating		Each		Each
With 4-Pole M12 Plug-In Connection







				Analog

				1	—	4 mA to 20 mA	40 mm to 300 mm	10 to 30	—	18	61	Stainless Steel	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N15	0000000	6897K36	000000


				1	—	4 mA to 20 mA	80 mm to 1.2 m	10 to 30	—	18	61	Stainless Steel	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N16	000000	6897K36	00000




						Digital/Analog

						2	PNP	4 mA to 20 mA	150 mm to 1.6 m	10 to 30	IO-Link	18	98	Stainless Steel	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N17	000000	6897K36	00000


						2	PNP	4 mA to 20 mA	250 mm to 3.5 m	10 to 30	IO-Link	30	103	Stainless Steel	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N18	000000	6897K36	00000

90° Elbow


	4-Pole M12 Plug

90° elbow transmitters are compact to fit in tight spaces. They’re best for conveyors.

Digital—Some transmitters also have a digital output that signals your controller to turn components on or off whenever an object is detected or a set level is reached.

NEMA 6 Enclosure Rating—NEMA 6 rated transmitters also stand up to weather and washdowns.

	Sensors															Cables with Socket
	No. of Outputs	Signal Output	Output Analog Signal	Sensing Distance	Input Voltage, V DC	Dia., mm	Lg., mm	Wd., mm	Ht., mm	Housing Material	Circuit Protection	Temp. Range, ° F	Enclosure Rating		Each		Each
With 4-Pole M12 Plug-In Connection







				Analog

				1	—	4 mA to 20 mA	100 mm to 1 m	10 to 30	30	45	40	64	Plastic	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K32	0000000	6897K36	000000


				1	—	4 mA to 20 mA	200 mm to 2 m	10 to 30	30	45	40	64	Plastic	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K44	000000	6897K36	00000
				1	—	0V DC to 10V DC	100 mm to 1 m	10 to 30	30	45	40	64	Plastic	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K92	000000	6897K36	00000
				1	—	0V DC to 10V DC	300 mm to 3 m	10 to 30	30	45	40	64	Plastic	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K94	000000	6897K36	00000




						Digital/Analog

						2	PNP	4 mA to 20 mA	40 mm to 300 mm	10 to 30	18	38	20	53	Plastic	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N11	000000	6897K36	00000


						2	PNP	4 mA to 20 mA	80 mm to 1.2 m	10 to 30	18	38	20	53	Plastic	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N12	000000	6897K36	00000
						2	PNP	0V DC to 10V DC	40 mm to 300 mm	10 to 30	18	38	20	53	Plastic	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N13	000000	6897K36	00000
						2	PNP	0V DC to 10V DC	80 mm to 1.2 m	10 to 30	18	38	20	53	Plastic	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	7635N14	000000	6897K36	00000

Detect objects and liquid or material levels to set off actions in your system—regardless of size, shape, or surface finish. These switches send out high-frequency sound waves that target small areas, so the surface and structure of your object won't affect results like photoelectric sensors, which sense using light. This makes them great for materials with uneven surfaces, such as granules and powder. They also sense objects when obscured by smoke, dust, debris, or water, but they don't work as well where there's wind, since it could disrupt their sound waves. Once an object is detected or a set level is reached, the digital output sends a signal to your controller to turn components in your system on or off. Use their plug to quickly connect and disconnect to cables with a socket (sold separately). UL listed, C-UL listed, and CE marked, all meet American, Canadian, and European safety standards.

Rated IP67, all of these switches seal out dust and water if briefly submersed.

Straight


	4-Pole M12 Plug

2 Outputs—Switches with two outputs let you set a minimum level on one output and a maximum on the other—for example, you can keep liquid levels constant by turning on a pump when the level drops too low and turning off the pump when it reaches the maximum.

IO-Link Communication Protocol—Switches with IO Link connect to a programmable logic controller (PLC), so you can change settings and receive error messages remotely. You need an IO-Link controller (not included) to connect.

	Sensors												Cables with Socket
	No. of Outputs	Output Digital Signal	Sensing Distance	Input Voltage, V DC	Control Communication Protocol	Dia., mm	Lg., mm	Circuit Protection	Temp. Range, ° F	Enclosure Rating		Each		Each
Stainless Steel Housing







				With 4-Pole M12 Plug-In Connection

				1	PNP	40 mm to 300 mm	10 to 30	IO-Link	18	61	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	8058N13	0000000	6897K36	000000


				2	PNP	150 mm to 1.6 m	10 to 30	IO-Link	18	98	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	8058N14	000000	6897K36	00000
				2	PNP	250 mm to 3.5 m	10 to 30	IO-Link	30	103	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	8058N15	000000	6897K36	00000

90° Elbow


	4-Pole M12 Plug

Switches with PNP/NPN signal output automatically produce the signal you need based on the connected device.

90° elbow switches are compact to fit in tight spaces. They’re best for conveyors.

NEMA 6 Enclosure Rating—NEMA 6 rated switches also stand up to weather and washdowns.

	Sensors														Cables with Socket
	No. of Outputs	Output Digital Signal	Sensing Distance	Input Voltage, V DC	Control Communication Protocol	Dia., mm	Lg., mm	Wd., mm	Ht., mm	Circuit Protection	Temp. Range, ° F	Enclosure Rating		Each		Each
Plastic Housing







				With 4-Pole M12 Plug-In Connection

				1	PNP	40 mm to 300 mm	10 to 30	IO-Link	18	38	20	53	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	8058N11	0000000	6897K36	000000


				1	PNP	80 mm to 1.2 m	10 to 30	IO-Link	18	38	20	53	Overload, Reverse Polarity, Short Circuit	0 to 155	IP67	8058N12	000000	6897K36	00000
				1	PNP/NPN	100 mm to 1 m	10 to 30	—	30	45	40	64	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K65	000000	6897K36	00000
				1	PNP/NPN	200 mm to 2 m	10 to 30	—	30	45	40	64	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K66	000000	6897K36	00000
				1	PNP/NPN	300 mm to 3 m	10 to 30	—	30	45	40	64	Overload, Reverse Polarity, Short Circuit	-40 to 155	IP67, NEMA 6	6565K95	000000	6897K36	00000

Ultrasonic Noncontact Level Sensor Switches for Chemicals

Use high-frequency sound waves to detect chemical level. This switch has three relays that can be programmed for multiple set points. Use it to activate several alarms or to automate tank filling and emptying. It’s rated NEMA 4X for protection from corrosion and washdowns.

	Pipe													Conduit
	Size	Thread Type	Gender	Sensing Distance, ft.	Max. Pressure @ Temp.	Temp. Range, ° F	Switch Starting Position	Switch Designation	Current @ Voltage	Lg.	Wd.	Electrical Connection	Enclosure Rating	Trade Size	Thread Type	Gender		Each
95V AC to 250V AC Input Voltage







				Polycarbonate Body

				1	NPT	Male	0.33 to 9.8	30 psi @ 70° F	-5 to 140	1 Off or 1 On	SPDT	0.17 amp @ 120V AC	3 15/16"	5 3/16"	Screw Terminal	IP65, NEMA 4X	1/2	NPT	Female	3785K13	000000000

Wall-Mount Motion-Sensing Light Controls

Also known as occupancy sensors, these controls turn lights on when movement is detected and off when an area is empty. They fit standard wall plates. All have a manual time delay that will turn lights off after a set amount of inactivity.

Controls with infrared sensors detect changes in heat and require a direct view of the occupants. Controls with infrared/ultrasonic sensors detect changes in heat as well as motion to minimize false activations. You can set them to use one or both detection methods to activate and keep lights on.

Light Switch Sensors


Infrared Sensor for 2 Circuits	Infrared/Ultrasonic Sensor for 2 Circuits	Infrared Sensor for 1 Circuit	Infrared/Ultrasonic Sensor for 1 Circuit

Automatic Time Delay Adjustability—Controls with an automatic time delay can turn lights off automatically based on usage patterns.

Power Controllers—For light controls with 24V DC input voltage, you'll need a power controller to switch a 120- or 277-volt AC lighting circuit. Power controllers have a relay that switches a maximum 20-amp load.

	Sensors											Power Controllers
								Ivory		White
	Area Coverage, ft²	No. of Circuits Controlled	Input Voltage	Wattage @ Voltage	Features	Time Delay Adjustability	Wire Connection		Each		Each		Each
Infrared/Ultrasonic



		1,000	1	24V DC	—	On/Off Switch	Automatic, Manual	Wire Leads	———	0	7704K17	0000000	7322N12	000000


		1,000	1	120V AC 277V AC	1,000 W @ 120V AC 1,800 W @ 277V AC	—	Automatic, Manual	Wire Leads	7704K14	0000000	7704K13	000000	———	0
		1,000	1	120V AC 277V AC	1,000 W @ 120V AC 1,800 W @ 277V AC	On/Off Switch	Automatic, Manual	Wire Leads	7704K24	000000	7704K23	000000	———	0
		1,000	2	24V DC	—	Two On/Off Switches	Automatic, Manual	Wire Leads	———	0	7704K18	000000	7322N12	00000
		1,050	2	120V AC 240V AC 277V AC	800 W @ 120V AC 1,200 W @ 240V AC 1,200 W @ 277V AC	Two On/Off Switches	Manual	Wire Leads	7704K84	000000	7704K83	000000	———	0

Dimming Light Switch Sensors

Infrared/Ultrasonic

Sensor

Dimming light controls adjust the light’s brightness.

Automatic Time Delay Adjustability—Controls with an automatic time delay can turn lights off automatically based on usage patterns.

									White
	For Bulb Type	Area Coverage, ft²	No. of Circuits Controlled	Input Voltage, V AC	Wattage @ Voltage	Features	Time Delay Adjustability	Wire Connection		Each
Infrared/Ultrasonic



		Incandescent, CFL, Halogen, LED	1,000	1	120 277	1,000 W @ 120V AC 1,200 W @ 277V AC	Dimmer Switch	Automatic, Manual	Wire Leads	7704K15	0000000

Ceiling-Mount Motion-Sensing Light Controls

Also known as occupancy sensors, these controls turn lights on when movement is detected and off when an area is unoccupied. All have a time delay to turn lights off after a set time.

Infrared/ultrasonic sensors minimize false activation by detecting changes in heat sources and motion. They can be set so that only one or both detection methods are required to activate and hold lights on.

Infrared sensors detect moving heat sources and require a direct view of the occupants.

Ultrasonic sensors detect movement and don’t require a direct view of the occupants.

	No. of Circuits Controlled	Input Voltage, V AC	Wattage @ Voltage	For Outlet Box Designation	Max. Mounting Ht., ft.	Color	Housing Material	Ht.	Dia.	Wire Connection	Certification		Each
Infrared/Ultrasonic



	1,000	1	120 277	800 W @ 120V AC 1,200 W @ 277V AC	2 Gang	10	White	Plastic	2 1/16"	4 1/2"	Screw Terminal	UL Listed, C-UL Listed	7477K36	0000000


	Ultrasonic



			2,000	1	120 277	800 W @ 120V AC 1,200 W @ 277V AC	2 Gang	10	White	Plastic	1 13/16"	4 1/2"	Screw Terminal	UL Listed, C-UL Listed	7477K32	000000

Smart Wall-Mount Motion-Sensing Light Controls

Customize motion-sensing light controls from your smartphone or tablet. These light controls connect to a free downloadable app using Bluetooth. Use the app to set schedules, control multiple lights remotely, and override the sensor function so you can manually turn lights on or off in the room. Also known as occupancy sensors, they also work without the app—they turn lights on when they detect movement and off when the area is unoccupied. These light controls fit in standard wall plates.

Controls with infrared sensors detect changes in heat sources and require a direct view of people occupying the space to activate.

Controls with infrared/ultrasonic sensors minimize false activation by detecting changes in heat sources and motion. They can be set so that only one or both detection methods are required to activate and hold lights on.

								Ivory		White
	For Bulb Type	Area Coverage, ft²	No. of Circuits Controlled	Input Voltage, V AC	Max. Mounting Ht., ft.	Wire Connection	Certification		Each		Each
Bluetooth Connection







				Infrared/Ultrasonic

				Incandescent, CFL, Halogen, LED	1,100	1	120 208 240 277	4	Wire Leads	UL Listed, C-UL Listed	7753N107	000000	7753N106	000000

Wall/Ceiling-Mount Motion-Sensing Light Controls

Also known as occupancy sensors, these controls turn lights on when movement is detected and off when an area is unoccupied. The infrared/ultrasonic sensors minimize false activation by detecting heat and motion. They can be set so that only one or both detection methods are required to activate and hold lights on. All have a time delay to turn lights off after a set time. The mounting bracket swivels 90° so that the control can be mounted on a wall or ceiling.

Power Controllers—Power controllers are required to switch a 120- or 277-volt AC lighting circuit. They have a relay that switches a maximum 20 amp load.

	Sensors																Power Controllers
	Area Coverage, ft²	Features	No. of Circuits Controlled	Input Voltage, V DC	Max. Mounting Ht., ft.	Mounting Hardware Included	Swivel Angle	Color	Housing Material	Ht.	Wd.	Dp.	Wire Connection	Certification		Each		Each
Infrared/Ultrasonic



		2,000	Swivel Mounting Bracket	1	24	10	Yes	90°	White	Plastic	4 3/8"	3 3/8"	2"	Wire Leads	UL Listed, C-UL Listed	7477K45	0000000	7477K51	000000

Smart Wall-Mount Motion-Sensing Light Dimmers

Control the brightness of lights from your smartphone. Using a Bluetooth-connected app on your phone or tablet, you can schedule when lights turn on, adjust their brightness levels, and set their movement sensitivity. Also known as occupancy sensors, these dimmers turn lights on when motion is detected and off when people are away. You can override the motion sensor function with a tap on the app to manually switch or dim lights. They fit in standard wall plates.

Dimmers with infrared sensors detect changes in heat sources and require a direct view of people occupying the space to activate.

Dimmers with infrared/ultrasonic sensors minimize false activation by detecting changes in heat sources and motion. They can be set so that only one or both detection methods are required to activate and hold lights on.

Power Controllers—For light controls with DC input voltage, you'll need a power controller to switch a 120V or 277V AC lighting circuit. Power controllers have a relay that switches a maximum 20-amp load.

	Sensors													Power Controllers
	For Bulb Type	Area Coverage, ft²	No. of Circuits Controlled	Input Voltage	Max. Mounting Ht., ft.	Ht.	Wd.	Dp.	Wire Connection	Certification	Choose a Color		Each		Each
Bluetooth Connection







				Infrared/Ultrasonic

				Incandescent, CFL, Halogen, LED	1,100	1	12V DC 24V DC	4	4 1/8"	2 1/8"	1 7/8"	Wire Leads	UL Listed, C-UL Listed	White	7727N105	0000000	7477K51	000000


				Incandescent, CFL, LED	1,100	1	120V AC	4	4 1/8"	2 1/8"	1 7/8"	Wire Leads	UL Listed, C-UL Listed	Ivory, White	7727N203	000000	———	0
				LED	1,100	1	120V AC 208V AC 240V AC 277V AC	4	4 1/8"	2 1/8"	1 7/8"	Wire Leads	UL Listed, C-UL Listed	Ivory, White	7727N202	000000	———	0

Smart Ceiling-Mount Motion-Sensing Light Controls

Fine-tune motion-sensing light controls from your smartphone or tablet. Mounting on the ceiling gives these light controls a clearer view of the room than wall-mount sensors, so they detect motion over a larger area. They connect to a free downloadable app using Bluetooth. Use the app to adjust the amount of time lights stay on after people leave, set schedules, or override the sensor so lights are always on. Also known as occupancy sensors, they turn lights on when they sense movement and off after people leave.

Controls with infrared sensors detect changes in heat sources and need a direct view of people.

Controls with infrared/ultrasonic sensors have two detection methods to minimize false activation: infrared to sense heat sources and ultrasonic to sense motion. Use the app to adjust whether both or just one of these triggers will switch the lights.

Dimmer Switch—Controls with a dimmer let you adjust the brightness of your lights.

	For Max. No. of Companion Switches	Input Voltage, V AC	Max. Mounting Ht., ft.	Color	Housing Material	Ht.	Dia.	Wire Connection	Certification		Each
Bluetooth Connection







	Infrared/Ultrasonic Sensor

	Incandescent, CFL, Halogen, LED	500	1	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N15	0000000


	Incandescent, CFL, Halogen, LED	500	2	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N18	000000
	Incandescent, CFL, Halogen, LED	1,000	1	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N16	000000
	Incandescent, CFL, Halogen, LED	2,000	1	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N17	000000
	Incandescent, CFL, Halogen, LED	2,000	2	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N19	000000




			Infrared/Ultrasonic Sensor with Dimmer Switch

			Incandescent, CFL, Halogen, LED	500	1	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N12	000000


			Incandescent, CFL, Halogen, LED	2,000	2	4	120 277	20	White	Plastic	2 3/8"	4 13/16"	Screw Terminal	UL Listed, C-UL Listed	7272N13	000000