NEC Class I Divisions1, 2 Groups A, B, C, D Switches

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44 Products

About Pressure Switches

Compare different types of pressure switches and learn how they work.

Hazardous Location Pressure Switches


Style A	Style B

Built with an explosion-proof enclosure to meet NEMA 7 and 9 standards for hazardous locations, these switches were tested and verified by UL and CSA for use where explosive liquids, dust, and gas are present. When they reach the set pressure, they power equipment, signal controls, or trigger alarms. They’re single pole, double throw (SPDT) and can be installed to turn one circuit from off to on (normally open) or from on to off (normally closed). In addition to being UL listed and CSA certified, these switches are CE marked, so they also meet European safety standards.

All switches are IP and NEMA rated for use outdoors and protection from some corrosion, dust, and spraying water.

Wire Lead Connection


Style A	Style B

IP67 Enclosure Rating and NEMA 4X Enclosure Rating—IP67 and NEMA 4X rated switches seal out water from temporary submersion and have increased protection against corrosion, similar to 304 stainless steel.

	Max. Continuous Pressure, psi	Max. Short-Term Pressure, psi	Accuracy	Max. Switching Current @ Voltage	Process Temp. Range, ° F	Connection Material	For Use With	Enclosure Rating	Hazardous Location Rating	Certification		Each
1/4 Threaded NPT Male Pipe







	Internal Adjustment

	A	8 to 60	5	60	1,000	±5%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K71	0000000


	A	10 to 100	9	100	1,000	±5%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K72	000000
	A	20 to 200	16	200	1,000	±2%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K73	000000
	A	50 to 500	60	500	5,000	±2%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K74	000000
	A	100 to 1,000	87	1,000	5,000	±2%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K75	000000
	A	200 to 2,000	165	2,000	5,000	±2%	5 amp @ 125V AC 5 amp @ 250V AC	-40 to 190	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP67, NEMA 4X, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K76	000000


	1/2 Threaded NPT Female Pipe







					Internal Adjustment

					B	6 to 30	2	30	1,000	±1%	5 amp @ 125V AC 5 amp @ 250V AC	0 to 200	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP66, NEMA 4, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K61	000000


					B	12 to 60	2	60	1,000	±1%	5 amp @ 125V AC 5 amp @ 250V AC	0 to 200	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP66, NEMA 4, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K62	000000
					B	20 to 100	3.5	100	1,000	±1%	5 amp @ 125V AC 5 amp @ 250V AC	0 to 200	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP66, NEMA 4, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K63	000000
					B	40 to 200	6.5	200	1,000	±1%	5 amp @ 125V AC 5 amp @ 250V AC	0 to 200	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP66, NEMA 4, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K64	000000
					B	80 to 400	11	400	1,600	±1%	5 amp @ 125V AC 5 amp @ 250V AC	0 to 200	316 Stainless Steel	Air, Diesel Fuel, Gasoline, Hydraulic Fluid, Natural Gas, Water	IP66, NEMA 4, NEMA 7, NEMA 9	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	CE Marked, CSA Certified, UL Listed	46985K65	000000

Hazardous Location Rotatable DC Metallic-Object Proximity Sensors


4-Pole M12 Plug	Flush Mount

Projecting Mount

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 sensors are UL and C-UL listed as well as ATEX and IECEx certified for hazardous locations. Their NAMUR signal produces low current and low voltage, so they won’t spark or ignite. You must connect them to a barrier (sold separately), which reduces the current and voltage that enters your hazardous area.

Because you can rotate the sensor, these make good replacements for limit switches with actuators that could break when hit. They’re often known as inductive proximity sensors and detect objects even if they’re covered by water, oil, dirt, or a surface finish. Sensing distance is based on the type of material that’s sensed; the distance listed is for mild steel. Send signals from these sensors to programmable logic controllers (PLCs) to support automated processes.

These sensors have a 4-pole M12 plug that connects to cables with a socket (sold separately), so you can quickly connect and disconnect them. You can also check on them from any angle, thanks to LED status indicators on their corners. All are CE marked for safety.

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

IP rated, all sensors seal out dust and water from high-pressure washdowns.

IP67 Enclosure Rating and IP68 Enclosure Rating—IP67- and IP68-rated sensors withstand some submersion.

Flush Mount—Flush sensors, also called embeddable and shielded sensors, are more accurate than projecting sensors at close range. They also won’t interfere with each other’s signals when installed close together. Their sensor face mounts evenly with any material, including metal.

Projecting Mount—Projecting sensors, also known as non-embeddable and unshielded sensors, sense objects farther away than flush sensors. But, the area around the sensor must be metal free.

	Input Voltage	Current Output	Electrical Connection Type	Lg., mm	Wd., mm	Ht., mm	Circuit Protection	Features	Temp. Range, ° F	Hazardous Location Rating	Certification		Each
Plastic Housing (IP66, IP69K)







	Flush with 4-Pole M12 Plug Connection

	1 On	20	NAMUR	8V DC to 8.5V DC	10 mA	Plug In	67	40	40	Reverse Polarity Short Circuit	LED Power Indicator, LED Status Indicator, Rotatable Sensor	-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; IEC Zone 0 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; NEC Class I Divisions 1, 2 Groups A, B, C, D; NEC Class II Divisions 1, 2 Groups E, F, G; NEC Class III Divisions 1, 2	C-UL Listed, CE Marked, UL Listed	7104N12	0000000


	Plastic Housing (IP67, IP69K)







					Flush with 4-Pole M12 Plug Connection

					1 On	20	NAMUR	8V DC to 8.5V DC	10 mA	Plug In	118	40	40	Reverse Polarity Short Circuit	LED Power Indicator, LED Status Indicator, Rotatable Sensor	-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; IEC Zone 0 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; NEC Class I Divisions 1, 2 Groups A, B, C, D; NEC Class II Divisions 1, 2 Groups E, F, G; NEC Class III Divisions 1, 2	C-UL Listed, CE Marked, UL Listed	6305N111	000000


					Plastic Housing (IP69K)







									Projecting with 4-Pole M12 Plug Connection

									1 On	40	NAMUR	8V DC to 8.5V DC	10 mA	Plug In	67	40	40	Reverse Polarity Short Circuit	LED Power Indicator, LED Status Indicator, Rotatable Sensor	-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; IEC Zone 0 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; NEC Class I Divisions 1, 2 Groups A, B, C, D; NEC Class II Divisions 1, 2 Groups E, F, G; NEC Class III Divisions 1, 2	C-UL Listed, CE Marked, UL Listed	7104N13	000000


									Plastic Housing (IP68, IP69K)







													Projecting with 4-Pole M12 Plug Connection

													1 On	40	NAMUR	8V DC to 8.5V DC	10 mA	Plug In	118	40	40	Reverse Polarity Short Circuit	LED Power Indicator, LED Status Indicator, Rotatable Sensor	-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; IEC Zone 0 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; NEC Class I Divisions 1, 2 Groups A, B, C, D; NEC Class II Divisions 1, 2 Groups E, F, G; NEC Class III Divisions 1, 2	C-UL Listed, CE Marked, UL Listed	6305N112	000000

Accessories for Sensors

NAMUR M12 Cables


Straight End	90° Elbow End

				6 ft. Long		16 ft. Long
Connection End Type	End Shape	Electrical Connection	Face Diameter		Each		Each
Socket	Straight	Wire Leads	0.3"	7109N11	000000	7109N13	000000
Socket	90° Elbow	Wire Leads	0.3"	7109N12	00000	7109N14	00000

Safety Barriers

Install the barrier in a separate location that doesn’t contain explosive gas or dust.

		Inputs				Outputs
	Operating Voltage, V DC	Voltage, V DC	Current, mA	No. of	Signal	Current, amp	No. of	Switching Freq., kHz	Hazardous Location Rating	Enclosure Rating		Each
Plastic Housing



		24	10	8	1	NAMUR	0.05	2	5	ATEX I (M1) [Ex Ia Ma] I; ATEX II (1)D [Ex Ia Da] IIIC; ATEX II (1)G [Ex Ia Ga] IIC; Associated Apparatus for IEC Zone 0 Groups IIC, IIB, IIA; Associated Apparatus for IEC Zone 20 Groups IIIC, IIIB, IIIA; IECEx [Ex Ia Da] IIIC; IECEx [Ex Ia Ga] IIC; IECEx [Ex Ia Ma] I; IECEx Ex Ec IIC T4 Gc	IP20	7107N12	0000000

Fixed-Set-Point Hazardous-Location Flow Switches

Safe to use where flammable gases and combustible dust may be present, these switches activate or deactivate when your flow reaches a factory-set level. All are UL listed for hazardous environments. Because their set point is fixed, they’re ready to go, making them easy to install. They actuate when your flowing liquid or gas pushes their paddle into a set position. These switches are single pole, double throw (SPDT) and can turn one device from off to on (normally open) or from on to off (normally closed). They must be mounted horizontally to function accurately.

These switches are calibrated with water and air. They can also be used with other liquids and gases but may not measure accurately if their viscosity is significantly different.

		Set Point						Conduit
	Pipe Connections	For Liquids, gpm	For Gas, scfm	Max. Pressure @ Temp.	Temp. Range, ° F	Voltage, V AC	Max. Switching Current @ Voltage	Trade Size	Thread Type	Gender	End-to-End Lg.	Enclosure Rating	Certification		Each
304 Stainless Steel Body with Threaded 304 Stainless Steel Fittings



		1/2 NPT Female	1.5	6.5	2,000 psi @ 70° F	-4 to 220	120/240	5 amp @ 120V AC	3/4	NPT	Male	2 1/4"	NEMA 4	UL Listed CE Marked	47565K61	0000000


		3/4 NPT Female	2	10	2,000 psi @ 70° F	-4 to 220	120/240	5 amp @ 120V AC	3/4	NPT	Male	2 5/8"	NEMA 4	UL Listed CE Marked	47565K62	000000
		1 NPT Female	3	14	2,000 psi @ 70° F	-4 to 220	120/240	5 amp @ 120V AC	3/4	NPT	Male	3"	NEMA 4	UL Listed CE Marked	47565K63	000000
		2 NPT Female	10	43	2,000 psi @ 70° F	-4 to 220	120/240	5 amp @ 120V AC	3/4	NPT	Male	4 3/4"	NEMA 4	UL Listed CE Marked	47565K66	00000000

Hazardous-Location Flow Switches

UL listed for use where flammable gases or combustible dusts may be present, these flow switches activate or deactivate equipment when your flow rate reaches a set point. Use the adjustment screw to select their set point. They actuate when your flowing liquid or gas pushes their paddle into a certain position determined by the set point. All are single pole, double throw (SPDT) and can either turn one device from off to on (normally open) or on to off (normally closed). Mount them horizontally. Rated NEMA 4, they also protect against weather and washdowns.

These flow switches are calibrated with water and air. You can use them with other liquids and gases, but they may not measure accurately if the viscosity is different from water or air.

		Flow Set Point						Conduit
	Pipe Connections	For Liquids, gpm	For Gas, scfm	Max. Pressure @ Temp.	Temp. Range, ° F	Voltage, V AC	Max. Switching Current @ Voltage	Trade Size	Thread Type	Gender	End-to-End Lg.	Enclosure Rating	Certification		Each
304 Stainless Steel Body with Threaded 304 Stainless Steel Fittings



		1/2 NPT Female	0.04 to 0.75	0.18 to 2.7	1,450 psi @ 70° F	-4 to 220	120/240	5 amp @ 120V AC	3/4	NPT	Male	3 5/8"	NEMA 4	UL Listed CE Marked	91445K24	0000000

Hazardous Location Float Switches for Chemicals


Style A

Designed for use in areas where flammable substances are present, these switches are CSA certified for hazardous locations. Mount them through a tank wall.

Style A—Style A meet Class I, Divisions 1 and 2, Groups A, B, C, and D; Class II, Divisions 1 and 2, Groups E, F, and G; and Class III, Divisions 1 and 2.

		Pipe											Conduit
	Style	Size	Thread Type	Gender	Min. Specific Gravity	Max. Pressure @ Temp.	Temp. Range, ° F	Insertion Dp.	Switch Starting Position	Switch Designation	Current @ Voltage	Electrical Connection	Trade Size	Thread Type	Gender	Certification		Each
120V AC/240V AC Input Voltage







				316 Stainless Steel Body and Float

				A	1/2	NPT	Male	0.7	300 psi @ 70° F	0 to 390	4 5/8"	1 Off/1 On	SPST-NO SPST-NC	0.28 amp @ 120V AC	Wire Leads	1/4	NPT	Male	UL Recognized Component, CSA Certified, CE Marked	46815K11	0000000


				A	1/2	NPT	Male	0.7	300 psi @ 70° F	0 to 390	4 5/8"	1 Off/1 On	SPST-NO SPST-NC	0.28 amp @ 120V AC	Wire Leads	1/2	NPT	Male	UL Recognized Component, CSA Certified, CE Marked	46815K22	000000
				A	1	NPT	Male	0.7	300 psi @ 70° F	0 to 390	4 5/8"	1 Off/1 On	SPST-NO SPST-NC	0.28 amp @ 120V AC	Wire Leads	1/2	NPT	Male	UL Recognized Component, CSA Certified, CE Marked	46815K21	000000

Horizontal-Mount Hazardous Location Float Switches for Fuels and Oils


Style A	Style B

Designed for use in areas where flammable substances are present, these switches are CSA certified for hazardous locations. Mount them through a tank wall. All are rated NEMA 4 for protection from washdowns. All are single pole, double throw (SPDT) and can be installed to turn one circuit from “off” to “on” or from “on” to “off”.

Switches with a stainless steel body are more corrosion resistant than switches with a brass body.

		Pipe									Conduit
	Style	Size	Thread Type	Gender	Min. Specific Gravity	Max. Pressure @ Temp.	Temp. Range, ° F	Insertion Dp.	Current @ Voltage	Float Material	Trade Size	Thread Type	Gender	Hazardous Location Rating	Enclosure Rating		Each
120V AC/240V AC Input Voltage







				303 Stainless Steel Body

				A	1	NPT	Male	0.9	2,000 psi @ 70° F	0 to 220	1 3/4"	5 amp @ 120V AC	Polypropylene	3/4	NPT	Male	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 4	4909K65	0000000


				B	1	NPT	Male	0.5	200 psi @ 70° F	0 to 220	2 7/8"	5 amp @ 120V AC	304 Stainless Steel	3/4	NPT	Male	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 4	4909K13	000000

Hazardous Location Electrically Operated Air Directional Control Valves

These valves are rated for environments where hazardous material is present. Often used to extend and then retract a cylinder at different speeds, they create two actions and have two exhaust ports, which allows you to control the speed of each action by attaching a flow control valve to each exhaust port. They direct airflow from the inlet to your equipment and exhaust return airflow to create motion. Apply voltage to the electrical connection to actuate. Return actuation is by spring, so they go back to their original position when voltage is removed. Also known as 4-way valves.

Threaded Female Inlet × Threaded Female Outlet—Threaded Exhaust


Single Solenoid	Double Solenoid

5/3 (Closed Center) Flow Pattern—5/3 (closed center) valves close all ports in the off position to stop equipment in a locked position with air pressure holding it in place.

Flow Coefficient (Cv)—Flow coefficient (Cv) indicates how much airflow can pass through a valve.

Hazardous Location Rating—Hazardous location ratings indicate whether manufacturers have included safety features in products to facilitate their safe use in a hazardous environment. Before selecting a product for a hazardous location, ensure it is rated for your environment.

												Overall
	No. of Flow Ports	Inlet Size	Outlet Size	Max. Flow Rate @ 100 psi, scfm	Flow Coefficient (Cv)	Pressure Range, psi	Vacuum Rating, in. Hg	Hazardous Location Rating	Enclosure Rating	Voltage	Wire Connection	Lg.	Wd.	Ht.	Mounting Fasteners Included		Each
5/2 Flow Pattern







				Single Solenoid

				5	1/4 NPT	1/4 NPT	65.34	1.7	14 to 145	28	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 3S NEMA 6P NEMA 7 NEMA 9	24V DC	Wire Leads	6"	1"	2 7/8"	No	2992N11	0000000


				5	1/4 NPT	1/4 NPT	65.34	1.7	14 to 145	28	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 3S NEMA 6P NEMA 7 NEMA 9	120V AC	Wire Leads	6"	1"	2 7/8"	No	2992N12	000000


				5/3 (Closed Center) Flow Pattern







								Double Solenoid

								5	1/4 NPT	1/4 NPT	65.34	1.7	14 to 145	28	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 3S NEMA 6P NEMA 7 NEMA 9	24V DC	Wire Leads	9 3/8"	1"	2 7/8"	No	2992N13	000000


								5	1/4 NPT	1/4 NPT	65.34	1.7	14 to 145	28	NEC Class I Divisions 1, 2 Groups A, B, C, D NEC Class II Divisions 1, 2 Groups E, F, G	NEMA 3S NEMA 6P NEMA 7 NEMA 9	120V AC	Wire Leads	9 3/8"	1"	2 7/8"	No	2992N14	000000

Accessories for Valves

Manifolds

Manifolds are for single-solenoid, 24V DC valves.

	No. of					Overall
	Flow Ports	Inlet Ports	Exhaust Ports	Inlet Size	Exhaust Connection	Wd.	Ht.	Mount Type	Mounting Hole Dia.	Mounting Fasteners Included	Choose a Number of Stations		Each
Manifold Style 4



		6	2	4	3/8 NPTF	Threaded	2 3/4"	1 1/2"	Screw In	0.16"	No	2, 3, 4	6425K41	0000000


		6	2	4	3/8 NPTF	Threaded	2 3/4"	1 1/2"	Screw In	0.16"	No	5, 6, 8	6425K42	000000