NEMA 6 Sensor Switches | McMaster-Carr

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24 Products

About Proximity Sensors

Compare sensing types, mounting styles, wiring options, and input and output requirements to choose the right proximity sensor for your application.

Photoelectric Sensors with Relay Output

A built-in relay produces AC voltage output. These sensors are often used with older programmable logic controllers (PLCs). They detect the presence or absence of an object moving at high speeds with a light beam.

With Wire Leads

Direct Sensing—Direct sensing sensors detect objects when light reflects back from the object. The transmitter and receiver are in the same housing, so they fit in confined spaces.

IP67 Enclosure Rating and NEMA 6 Enclosure Rating—NEMA 6 and IP67 rated sensors withstand washdowns and temporary submersion.

	Max. Sensing Distance	Switch Designation	Switching Current @ Voltage	Input Voltage	Lg.	Ht.	Wd.	Cable Lead Lg., ft.	Features	Housing Material	Mounting Thread Size	Temp. Range, ° F	Environment	Certification		Each
Direct Sensing Sensor with Visible LED Light Beam (IP67, NEMA 6)



	On When Object Absent, On When Object Present	7.9"	SPDT	5 amp @ 250V AC/30V DC	24V AC to 250V AC/ 12V DC to 250V DC	2 1/8"	2 1/8"	7/8"	6 1/2	Relay	Plastic	M30 × 1.5 mm	0 to 155	Washdown Submersible Dusty Outdoor Wet	UL Listed C-UL Listed CE Marked	2160N11	0000000


	On When Object Absent, On When Object Present	15.7"	SPDT	5 amp @ 250V AC/30V DC	24V AC to 250V AC/ 12V DC to 250V DC	2 1/8"	2 1/8"	7/8"	6 1/2	Relay	Plastic	M30 × 1.5 mm	0 to 155	Washdown Submersible Dusty Outdoor Wet	UL Listed C-UL Listed CE Marked	2160N12	000000
	On When Object Absent, On When Object Present	23.6"	SPDT	5 amp @ 250V AC/30V DC	24V AC to 250V AC/ 12V DC to 250V DC	2 1/8"	2 1/8"	7/8"	6 1/2	Relay	Plastic	M30 × 1.5 mm	0 to 155	Washdown Submersible Dusty Outdoor Wet	UL Listed C-UL Listed CE Marked	2160N13	000000

Precision Photoelectric Sensors

Detect objects as thin as a freshly sharpened pencil tip. These sensors are best for tight spaces because they have a smaller light beam and can detect smaller objects than standard photoelectric sensors. They produce PNP or NPN signal output. To determine the signal output of a sensor you are replacing, use Testers for Proximity and Photoelectric Sensors (not included). All are rated IP67 for protection from dust and temporary submersion. Some also meet NEMA 6 for protection from washdowns.

With Wire Leads


Style A	Style B

Adjustable Light Beam—Adjustable sensors can increase the intensity of the light beam to better detect shiny or translucent objects.

Direct Sensing—Direct sensing sensors detect objects when light reflects back from the object. The transmitter and receiver are in the same housing, so they fit in confined spaces.

Reflector Sensor—Reflector sensors detect an object when it passes between the sensor and the reflector, interrupting the beam. They have a shorter sensing distance than receiver sensors but are quicker to wire. They have a longer sensing distance than direct-sensing sensors.

Style A—Style A direct sensing sensors have an adjustable maximum sensing distance, ranging from 6" down to 1.2". Set a shorter sensing distance to minimize false triggers caused by objects in the background.

PNP Output Signal/NPN Output Signal—Sensors with PNP/NPN signal output automatically produce the type of signal output that is needed based on the device they are connected to.

	Light Beam Switch Operation	Sensing Distance	Input Voltage, V DC	Current Output, mA	Output Digital Signal	Lg.	Ht.	Wd.	Dia., mm	Mounting Thread Size	Temp. Range, ° F	Environment	Enclosure Rating	Certification		Each
Direct Sensing Sensor with Visible Light Beam



	A	On When Object Absent, On When Object Present	0.04" to 6"	10 to 30	100	PNP	7/8"	1 3/8"	9/16"	—	—	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T14	0000000


	A	On When Object Absent, On When Object Present	0.04" to 6"	10 to 30	100	NPN	7/8"	1 3/8"	9/16"	—	—	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T15	000000


	Adjustable Direct Sensing Sensor with Visible Light Beam



			B	On When Object Absent, On When Object Present	0" to 12"	10 to 30	100	PNP	1 1/4"	1 3/8"	5/8"	18	M18 × 1 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T12	000000


			B	On When Object Absent, On When Object Present	0" to 12"	10 to 30	100	NPN	1 5/16"	1 3/8"	9/16"	18	M18 × 1 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T13	000000
			B	On When Object Absent, On When Object Present	0" to 16"	10 to 30	150	PNP/NPN	1 1/4"	1 3/4"	7/8"	30	M30 × 1.5 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Listed C-UL Listed CE Marked	5038T19	000000
			B	On When Object Absent, On When Object Present	0" to 32"	10 to 30	150	PNP/NPN	1 1/4"	1 3/4"	7/8"	30	M30 × 1.5 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Listed C-UL Listed CE Marked	5038T21	000000


			Adjustable Reflector Sensor with Visible Light Beam



					B	On When Object Absent, On When Object Present	3.9" to 33 ft.	10 to 30	100	PNP	1 1/4"	1 3/8"	5/8"	18	M18 × 1 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T11	000000


					B	On When Object Absent, On When Object Present	4" to 33 ft.	10 to 30	100	NPN	1 5/16"	1 3/8"	9/16"	18	M18 × 1 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Recognized Component C-UL Recognized Component CE Marked	5038T16	000000
					B	On When Object Absent, On When Object Present	8" to 59 ft.	10 to 30	150	PNP/NPN	1 1/4"	1 3/4"	7/8"	30	M30 × 1.5 mm	15 to 120	Washdown Submersible Dusty Outdoor Wet	IP67, NEMA 6	UL Listed C-UL Listed CE Marked	5038T17	000000

Ultrasonic Switches

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.

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	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/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	0000000	6897K36	000000


				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 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.

90° Elbow


	4-Pole M12 Plug

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

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

	Sensors														Cables with Socket
	No. of Outputs	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

Level Sensor Switches for Conductive Liquids

Designed to use the properties of conductive liquid for operation, these switches actuate when conductive liquid reaches the probes on the tip to close the circuit. They can be used with dirty fluid and liquid with high solid content, but are not for use with flammable liquids. Mount them horizontally or vertically. All are rated NEMA 6 for protection from washdowns.

Min. Specific Gravity	Max. Pressure @ Temp.	Temp. Range, ° F	Insertion Dp.	Switch Starting Position	Switch Designation	Current @ Voltage	Probe Material	Electrical Connection	Wire Lead Lg., ft.	Enclosure Rating		Each







PPS Body

3/4	NPT	Male	1	290 psi @ 70° F	-10 to 175	1 1/2"	1 Off or 1 On	SPDT	1 amp @ 24V DC	316 Stainless Steel	Wire Leads	6	IP68, NEMA 6	3915K11	0000000


3/4	NPT	Male	1	290 psi @ 70° F	-10 to 175	3"	1 Off or 1 On	SPDT	1 amp @ 24V DC	316 Stainless Steel	Wire Leads	6	IP68, NEMA 6	3915K12	000000




		Polypropylene Body

		3/4	NPT	Male	1	85 psi @ 70° F	-10 to 140	1 1/2"	1 Off or 1 On	SPDT	1 amp @ 24V DC	316 Stainless Steel	Wire Leads	6	IP68, NEMA 6	3915K13	000000


		3/4	NPT	Male	1	85 psi @ 70° F	-10 to 140	3"	1 Off or 1 On	SPDT	1 amp @ 24V DC	316 Stainless Steel	Wire Leads	6	IP68, NEMA 6	3915K14	000000