Valve Position Sensors

Filter by

Electrical Connection

M12

Terminal

Wire Leads

Switch Starting Position

Input Voltage

Environment

Certification

Height

Material

Maximum Temperature

Mounting Hole Center-to-Center

21.2 mm

30 mm

Mounting Hole Diameter

5.3 mm

5.4 mm

Number of Mounting Holes

REACH

Compliant

RoHS

Compliant with Exemptions

Sensing Distance

Switching Frequency

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

Width

Length

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

Circuit Protection

Current Output

Face Shape

Output Digital Signal

NAMUR

PNP

Electrical Connection Type

Hardwire

Plug In

Hazardous Location Rating

ATEX Hazardous Location Zone Rating

IEC Hazardous Location Rating

IEC Hazardous Location Zone (IECEx) Rating

Forward

How can we improve?

25 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.

With Flat Face

With Curved Face

4-Pole

M12

Plug

These sensors detect when a valve is open or closed, supporting flow and temperature control within your system. Secure the sensor to your valve actuator’s mounting holes, and attach an activator (sold separately) to the actuator's shaft. As the actuator opens and closes the valve, the activator rotates until its targets align with the sensor's two inductive sensors. Once they’re aligned, your system will know that the valve is either open or closed—offering reliable feedback on your valve’s position. Connect these sensors to programmable logic controllers (PLCs) to support automated processes. They meet various national and international safety standards, and they’re rated IP67 to protect against dust, washdowns, and temporary submersion.

To view wiring diagrams, select a part number and click Product Detail.

Curved Face—Sensors with a curved face minimize pinch points between the sensor and activator, making them good for manually-controlled valves.

Plug In—Sensors with a 4-pole M12 plug connect to cables with a socket (sold separately), so you can quickly connect and disconnect them.

	Output Digital Signal	Electrical Connection Type	Input Voltage, V DC	Current Output, mA	No. of Wire Leads	Lg., mm	Circuit Protection	Cable Lead Lg., ft.	Temp. Range, ° F	Enclosure Rating		Each
Flat Face







	With 4-Pole M12 Connection

	2 Off	500	3	PNP	Plug In	10 to 30	100	—	36	Reverse Polarity	—	-10 to 155	IP67	7122N16	0000000




			With Wire Lead Connection

			2 Off	500	3	PNP	Hardwire	10 to 30	100	4	36	Reverse Polarity	16	-10 to 155	IP67	7122N18	000000




					With Spring-Clamp Terminal Connection

					2 Off	500	3	PNP	—	10 to 30	100	—	78	Reverse Polarity	—	-10 to 155	IP67	7122N19	000000


					Curved Face







									With 4-Pole M12 Connection

									2 Off	500	3	PNP	Plug In	10 to 30	200	—	35	Reverse Polarity	—	-10 to 155	IP67	7122N11	000000


									2 Off	1,000	4	PNP	Plug In	10 to 30	200	—	42	Reverse Polarity	—	-10 to 155	IP67	7122N12	000000




											With Wire Lead Connection

											2 Off	1,000	4	PNP	Hardwire	10 to 30	200	4	42	Reverse Polarity	6 1/2	-10 to 155	IP67	7122N14	000000




													With Screw Terminal Connection

													2 Off	1,000	4	PNP	—	10 to 30	200	—	64	Reverse Polarity	—	-10 to 155	IP67	7122N15	000000

Accessories for Sensors

Signal Activators


Style A	Style B

Style C	Style D

Style E	Style F

The position of metal targets on your activator determines when your sensor sends a signal to your PLC. To install, line up one of the activator's targets with one of the sensors while your valve is closed. Choose an activator that prompts your desired signal.

Styles A and F—Styles A and F prompt a signal from your sensor to your system when your valve is fully opened and closed.

Style B—Style B have a symmetrical design so you can position a sensor on both sides of the activator to create redundant signals and support safety applications.

Style C—Style C prompt a signal from your sensor when your valve is not fully opened or closed—such as when your valve is in motion or stuck partially open.

Style D—Style D have customizable targets, prompting a signal when your valve reaches the position or range of motion you select.

Style E—Style E include a housing that protects the activator against debris and damage. Colored on/off indicators make readings clear from far away. Use the included captive screws for easy mounting.

											Housing
	Style	For Max. Shaft Dia., mm	For Min. Shaft Dia., mm	For Shaft Lg., mm	Indicator Color	Dia., mm	Ht., mm	Body Material	Temp. Range, ° F	Mounting Fasteners Included	Dia., mm	Ht., mm	Material		Each
For Flat Sensor Faces



		A	58	—	20, 30	—	65	39	Plastic	-10 to 155	Yes	—	—	—	7123N11	000000


		A	90	—	20, 50	—	115	63	Plastic	-10 to 155	Yes	—	—	—	7123N14	00000
		B	58	—	20, 30	—	65	39	Plastic	-10 to 155	Yes	—	—	—	7123N23	00000
		C	58	—	20, 30	—	65	39	Plastic	-10 to 155	Yes	—	—	—	7123N12	00000
		D	53	—	20	—	65	40	Plastic	-10 to 155	Yes	—	—	—	7123N22	00000
		E	49	—	20, 30	Black, Yellow	65	68	Plastic	-10 to 155	Yes	80	81.6	Plastic	7123N18	00000
		E	49	—	20, 30	Green, Red	65	68	Plastic	-10 to 155	Yes	80	81.6	Plastic	7123N13	00000


		For Curved Sensor Faces



				F	—	34	20, 30, 50	—	40	39	Plastic	-10 to 155	Yes	—	—	—	7123N17	00000


				F	34	—	20	—	40	32	Plastic	-10 to 155	Yes	—	—	—	7123N15	00000
				F	34	—	30	—	40	43	Plastic	-10 to 155	Yes	—	—	—	7123N16	00000

NAMUR M12 Cables


Straight End	90° Elbow End

				16 ft. Long		32 ft. Long		49 ft. Long
Connection End Type	End Shape	Electrical Connection	Face Diameter		Each		Each		Each
Socket	Straight	Wire Leads	0.3"	7109N15	000000	7109N16	000000	7109N17	000000
Socket	90° Elbow	Wire Leads	0.3"	7109N18	00000	7109N19	00000	7109N21	00000

Hazardous Location Valve Position Sensors

With Flat Face

With Curved Face

4-Pole

M12

Plug

Support flow and temperature control in your system with these intrinsically safe sensors, which sense when a valve is open or closed in volatile areas. Often used in chemical plants and oil and gas facilities, they are ATEX and IECEx internationally certified to protect against explosion where flammable gases and combustible dust are present.

Mount the sensor to your valve actuator, and affix a corresponding activator (sold separately) onto your actuator’s shaft. As the valve opens and closes, the activator rotates until its targets align with the two inductive sensors. Once they’re aligned, your system will know that the valve is either open or closed—providing reliable feedback on your valve’s position. These sensors have a 4-pole M12 plug to connect to NAMUR cables (sold separately), letting you quickly connect and disconnect the sensor from your equipment. Connect them to programmable logic controllers (PLCs) to support automated processes. Sensors meet various national and international safety standards, and they’re rated IP67 to protect against dust, washdowns, and temporary submersion.

To view wiring diagrams, select a part number and click Product Detail.

Curved Face—Sensors with a curved face minimize pinch points between the sensor and activator, making them good for manually-controlled valves.

	Output Digital Signal	Electrical Connection Type	Input Voltage, V DC	Current Output, mA	Lg., mm	Circuit Protection	Temp. Range, ° F	Hazardous Location Rating	Enclosure Rating		Each
Flat Face







	With 4-Pole M12 Connection

	2 On	3	3	NAMUR	Plug In	8 to 8.5	10	36	Reverse Polarity Short Circuit	-10 to 210	ATEX II 1 D Ex Ia IIIC T135° C Da; ATEX II 1 G Ex Ia IIC T6...T1 Ga; ATEX II 2 G Ex Ia IIC T6...T1 Gb; ATEX II 3 G Ex Ia IIC T6...T1 Gc; IEC Zone 0 Groups IIC, IIB, IIA; IEC Zone 2 Groups IIC, IIB, IIA; IEC Zone 20 Groups IIIC, IIIB, IIIA; IECEx Ex Ia I Mb; IECEx Ex Ia IIC T6...T1 Ga; IECEx Ex Ia IIC T6...T1 Gb; IECEx Ex Ia IIIC T135° C Da	IP67	7114N12	0000000


	Curved Face







					With 4-Pole M12 Connection

					2 On	1.5	3	NAMUR	Plug In	8 to 8.5	10	42	Reverse Polarity Short Circuit	-10 to 210	ATEX II 1 D Ex Ia IIIC T135° C Da; ATEX II 1 G Ex Ia IIC T6...T1 Ga; ATEX II 2 G Ex Ia IIC T6...T1 Gb; ATEX II 3 G Ex Ia IIC T6...T1 Gc; IEC Zone 0 Groups IIC, IIB, IIA; IEC Zone 2 Groups IIC, IIB, IIA; IEC Zone 20 Groups IIIC, IIIB, IIIA; IECEx Ex Ia I Mb; IECEx Ex Ia IIC T6...T1 Ga; IECEx Ex Ia IIC T6...T1 Gb; IECEx Ex Ia IIIC T135° C Da	IP67	7114N11	000000

Accessories for Sensors

Signal Activators


Style A	Style B

Style C	Style D

Style F

Styles A and F—Styles A and F prompt a signal from your sensor to your system when your valve is fully opened and closed.

Style B—Style B have a symmetrical design so you can position a sensor on both sides of the activator to create redundant signals and support safety applications.

Style C—Style C prompt a signal from your sensor when your valve is not fully opened or closed—such as when your valve is in motion or stuck partially open.

Style D—Style D have customizable targets, prompting a signal when your valve reaches the position or range of motion you select.

	For Max. Shaft Dia., mm	For Min. Shaft Dia., mm	For Shaft Lg., mm	Dia., mm	Ht., mm	Body Material	Temp. Range, ° F	Mounting Fasteners Included		Each
For Flat Sensor Faces



	A	58	—	20, 30	65	39	Plastic	-10 to 155	Yes	7123N11	000000


	A	90	—	20, 50	115	63	Plastic	-10 to 155	Yes	7123N14	00000
	B	58	—	20, 30	65	39	Plastic	-10 to 155	Yes	7123N23	00000
	C	58	—	20, 30	65	39	Plastic	-10 to 155	Yes	7123N12	00000
	D	53	—	20	65	40	Plastic	-10 to 155	Yes	7123N22	00000


	For Curved Sensor Faces



			F	—	34	20, 30, 50	40	39	Plastic	-10 to 155	Yes	7123N17	00000


			F	34	—	20	40	32	Plastic	-10 to 155	Yes	7123N15	00000
			F	34	—	30	40	43	Plastic	-10 to 155	Yes	7123N16	00000

NAMUR M12 Cables


Straight End	90° Elbow End

				16 ft. Long		32 ft. Long		49 ft. Long
Connection End Type	End Shape	Electrical Connection	Face Diameter		Each		Each		Each
Socket	Straight	Wire Leads	0.3"	7109N15	000000	7109N16	000000	7109N17	000000
Socket	90° Elbow	Wire Leads	0.3"	7109N18	00000	7109N19	00000	7109N21	00000