McMaster-Carr

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	For Use With For Use With

Beverage

Food

Fuels

Oil

Water

	Environment Environment

	Environmental Rating Environmental Rating

	Industry Designation Industry Designation

SPDT

DPDT

	Application Application

Food Service

Signal

	Connection Style Connection Style

Quick Clamp

Threaded

	Maximum Pressure Maximum Pressure

145 psi @ 70° F

500 psi

1,000 psi

	Number of Circuits Controlled Number of Circuits Controlled

	Specifications Met Specifications Met

3-A Sanitary Certified

EHEDG Certified

USP

	Connection Type Connection Type


Tube	Pipe

	Switch Starting Position Switch Starting Position

1 Off (Normally Open)

1 On (Normally Closed)

1 Off (Normally Open) or 1
On (Normally Closed)

	Conduit Connection Gender Conduit Connection Gender

Female

Male

	Connection Flange OD Connection Flange OD

1.984"

2.516"

	Diaphragm Material Diaphragm Material

Rubber

Stainless Steel

	For Conduit Trade Size For Conduit Trade Size

1/2

3/4

	For Tube OD For Tube OD

1 1/2"

	Height Height

3 11/16"

	Maximum Environment Temperature Maximum Environment Temperature

150° F

250° F

	Minimum Process Temperature Minimum Process Temperature

-20° F

20° F

	Width Width

2 1/2"

5 11/16"

	Maximum Process Temperature Maximum Process Temperature

250° F

300° F

	Maximum Setpoint Maximum Setpoint

	Minimum Setpoint Minimum Setpoint

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54 Products

About Pressure Switches

For Use With: Food, Beverage
Connection Material: 316 Stainless Steel
Connection: Quick-Clamp Tube
Switching Current: See table
Switching Voltage: 120V AC/240V AC

With a 3-A certified sanitary design that makes them suitable for food-processing, pharmaceutical, and biotech plants, use these switches to activate controls and alarms when your line reaches a set pressure. They’re rated IP66 and NEMA 4X, so they’re protected against dust, dirt, and washdowns. Made of 316 stainless steel, harsh cleaners and sanitizers won’t corrode them. To minimize bacteria growth and make cleaning easier, they have continuously welded seams and polished surfaces. They have a flange that connects to sanitary quick-clamp fittings (also known as tri-clamp fittings); they’re easy to connect and remove from your line.

These switches are sealed with a diaphragm to shield them from corrosive substances and cover all of their threads, keeping bacteria out. The diaphragm is filled with 99.5% pure USP food-grade glycerin to reduce the risk of contamination in your line if the diaphragm ruptures. To access the material certificate with traceable lot number and test report, the diaphragm has a laser-etched serial number—the etching leaves minimal room for bacteria to grow.

All can be wired normally open (NO) or normally closed (NC).

These switches have either a fixed or adjustable difference between setpoint and reset point, which is also known as deadband or differential. Fixed setpoint switches are often used for alarms. Adjustable setpoint switches are typical in control applications.

SPDT (single pole, double throw) switches turn one circuit on and off. DPDT (double pole, double throw) switches turn two circuits on and off.

For technical drawings and 3-D models, click on a part number.

							Temperature Range, °F		Conduit
Setpoint, psi	Approximate Difference Between Setpoint and Reset Point, psi	Maximum Pressure, psi	Accuracy	Switching Current	For Tube OD	Connection Flange OD	Environment	Process	For Trade Size	Connection	Specifications Met		Each
316 Stainless Steel Housing
Fixed Setpoint—SPDT
2 1/4-15	2.45	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	0000000
2 1/4-15	2.45	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	3.36	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	3.36	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	5.6	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	5.6	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	8.4	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	8.4	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	19.6	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	19.6	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	0000000	000000
60-400	43.4	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
60-400	43.4	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
90-600	57.4	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
90-600	57.4	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
Adjustable Setpoint—SPDT
2 1/4-15	9	500	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
2 1/4-15	9	500	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	16.5	500	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	16.5	500	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	32	500	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	32	500	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	55	1,000	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	55	1,000	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	108	1,000	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	108	1,000	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	0000000	000000
60-400	225	1,000	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
60-400	225	1,000	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
90-600	345	1,000	±2%	10A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
90-600	345	1,000	±2%	10A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
Adjustable Setpoint—DPDT
2 1/4-15	3.43	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
2 1/4-15	3.43	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	5.46	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
4 1/2-30	5.46	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	9.1	500	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
9-60	9.1	500	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	18.2	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
15-100	18.2	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	30.1	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
30-200	30.1	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	0000000	000000
60-400	60.2	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
60-400	60.2	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000
90-600	79.8	1,000	±2%	15A	1 1/2"	1.984"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	0000000	000000
90-600	79.8	1,000	±2%	15A	2"	2.516"	-20° to 150°	20° to 300°	3/4	NPT Female	3-A Certified 74-07, UL Listed	00000000	000000

Easy-Adjust Sanitary Pressure Switches

For Use With: Food, Beverage
Connection Material: 316 Stainless Steel
Connection: Quick-Clamp Tube
Switching Current: 5A
Switching Voltage: 120V AC/240V AC

Like other 3-A certified sanitary pressure switches, these switches trigger controls and alarms when food-processing, pharmaceutical, and biotech lines reach a set pressure, but they also have a sanitary adjustable setpoint ring that you twist to make quick changes. They have a sleeve to shield their internal parts from water and other contaminants that could produce bacteria. To further prevent bacteria from growing, as well as make cleaning easier, the surfaces of these switches are polished and their seams are continuously welded. Made of 316 stainless steel, they stand up to harsh cleaners and sanitizers without rusting. They’re rated IP67 and NEMA 6, meaning they’re protected against dust, dirt, corrosion, and temporary submersion. All have a flange that connects to sanitary quick-clamp fittings (also known as tri-clamp fittings); they’re easy to connect and remove from your line.

Their quick-clamp end has a 316 stainless steel diaphragm that protects these switches from corrosive substances and covers threads to keep bacteria from growing in them. The diaphragm is filled with 99.5% pure USP food-grade glycerin, reducing the risk of contamination if the diaphragm fails. To access the material certificate with traceable lot number and test report, the diaphragm is laser etched with its serial number—the etching leaves minimal room for bacteria to grow.

These switches are single pole, double throw (SPDT), so they switch one circuit on and off. Wire them normally open (NO) or normally closed (NC).

For technical drawings and 3-D models, click on a part number.

					Temperature Range, °F		Conduit
Setpoint, psi	Approximate Difference Between Setpoint and Reset Point, psi	Maximum Pressure, psi	For Tube OD	Connection Flange OD	Environment	Process	For Trade Size	Connection	Width	Specifications Met		Each
316 Stainless Steel Housing
-15 to 15	3	1,000	1 1/2"	1.984"	-20° to 250°	-20° to 250°	1/2	NPT Male	2"	3-A Certified 74-07, UL Listed	00000000	0000000
-15 to 15	3	1,000	2"	2.516"	-20° to 250°	-20° to 250°	1/2	NPT Male	2 1/2"	3-A Certified 74-07, UL Listed	00000000	000000
6 to 30	3	1,000	1 1/2"	1.984"	-20° to 250°	-20° to 250°	1/2	NPT Male	2"	3-A Certified 74-07, UL Listed	00000000	000000
6 to 30	3	1,000	2"	2.516"	-20° to 250°	-20° to 250°	1/2	NPT Male	2 1/2"	3-A Certified 74-07, UL Listed	00000000	000000
8 to 60	5	1,000	1 1/2"	1.984"	-20° to 250°	-20° to 250°	1/2	NPT Male	2"	3-A Certified 74-07, UL Listed	00000000	000000
8 to 60	6	1,000	2"	2.516"	-20° to 250°	-20° to 250°	1/2	NPT Male	2 1/2"	3-A Certified 74-07, UL Listed	00000000	000000
10 to 100	4	1,000	1 1/2"	1.984"	-20° to 250°	-20° to 250°	1/2	NPT Male	2"	3-A Certified 74-07, UL Listed	00000000	000000
10 to 100	4	1,000	2"	2.516"	-20° to 250°	-20° to 250°	1/2	NPT Male	2 1/2"	3-A Certified 74-07, UL Listed	00000000	000000
20 to 200	16	1,000	1 1/2"	1.984"	-20° to 250°	-20° to 250°	1/2	NPT Male	2"	3-A Certified 74-07, UL Listed	00000000	000000
20 to 200	16	1,000	2"	2.516"	-20° to 250°	-20° to 250°	1/2	NPT Male	2 1/2"	3-A Certified 74-07, UL Listed	0000000	000000

Sanitary Level Switches

Certified by 3-A and EHEDG (European Hygienic Engineering and Design Group) to meet sanitary design standards, these switches detect levels of air, foam, liquid, and solids in tanks and pipelines. They’re often used in brewery, food and beverage, and pharmaceutical environments to trigger pumps and valves in automated lines. In order for liquids and solids to be detected, they must have a dialectic constant of at least 1.5.

Rated IP69K and IP67 to handle rigorous cleaning processes, these switches withstand high-temperature, high-pressure washdowns and can be submerged in water for up to 30 minutes. The switch body is stainless steel, so it won’t corrode from frequent washdowns with harsh cleaners and sanitizers. The switch probe is PEEK, so it stands up to chemicals and high temperatures. It also meets USP Class VI standards, which means it has passed tests to confirm it’s a plastic that won’t leach into samples. Any parts that contact liquids are polished to an extremely smooth finish to prevent bacteria growth.

These switches have a multicolored LED indicator—program the different colors to signal the media they will detect. Manually program them with a button on the switch. You can also connect them to a computer with M12-A, 4-pin connections. Programming these switches remotely makes it easier to measure media levels in hard-to-reach spots. They’re compatible with IO-Link and 4-20 mA analog outputs, so you can use them in existing systems. They meet U.S. and Canadian safety standards.

Use a quick-clamp adapter to connect these switches to quick-clamp sanitary tube fittings on your line.

For technical drawings and 3-D models, click on a part number.

Switches

Switch

8V DC/36V DC Input Voltage
Pipe Size	Thread Type	Gender	Max. Pressure	Temp. Range, °F	Insertion Dp.	Switch Starting Position	Industry Designation	Output Current, mA	Output	Overall Lg.	Electrical Connection	Specifications Met		Each
316 Stainless Steel Body
1/2	BSPP	Male	145 psi @ 70° F	-40° to 230°	9/16"	1 Off (Normally Open) or 1 On (Normally Closed)	SPDT	100	NPN, PNP	3 13/16"	M12-A 4-pin	3-A Certified 74-07, C-UL Listed, EHEDG Certified, USP Class VI	0000000	0000000

Quick-Clamp Adapters

Quick-Clamp Adapter

Tube Connection		Pipe Connection
For Tube OD	Flange OD	Pipe Size	Thread Type	Gender	Material	Max. Pressure	Specifications Met		Each
1 1/8"	1.988"	1/2	BSPP	Female	316 Stainless Steel	550 psi @ 70° F	3-A Certified 74-07, CE Marked, EHEDG Certified	0000000	0000000

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