E42272 Pressure Switches

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System of Measurement

Pressure Set Point

4,000 psi to 7,500 psi

For Use With

Pipe Size

Operates On

Maximum Pressure

1,000 psi to 1,999 psi

2,000 psi to 2,999 psi

3,000 psi to 9,999 psi

10,000 psi or greater

Maximum Continuous Pressure

Maximum Process Temperature

200° F

Maximum Switching Current @ Voltage

Maximum Temperature

Minimum Environment Temperature

Minimum Pressure

Minimum Process Temperature

0° F

Minimum Temperature

0° F to 24° F

Number of Circuits Controlled

Number of Wire Leads

REACH

Compliant

RoHS

Compliant

Set Point Adjustability

Adjustable

Specifications Met

UL 508

Switch Designation

SPDT

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

UL File Number

Width

DFARS Specialty Metals

Exempt

Export Control Classification Number (ECCN)

EAR99

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About Pressure Switches

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

Pressure Switches for Oxygen

Cleaned to ASTM G93 requirements and then bagged, these switches meet the strict cleaning standards required for oxygen service lines. Removing all contaminants extends the life of the switch and helps maintain a safe environment.

When a set pressure is reached, these switches can turn equipment on and off, activate automated controls, or signal alarms. They have an internal setpoint adjustment with a sliding cover to prevent accidental setting changes. They’re single pole, double throw (SPDT) and can either turn one device from off to on (normally open) or on to off (normally closed).

NEMA rated, they seal out dust and water from washdowns and the weather. These switches also meet UL 508, are CE marked, and are UL and C-UL recognized components, so they meet American, Canadian, and European safety standards.

Wire Lead Connection

	Approx. Difference Between Set Point and Reset Point, psi	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	Certification		Each
1/8 Threaded NPT Male Pipe



	4 to 50	3.5	1,000	3,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K12	0000000


	10 to 150	6	1,500	3,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K14	000000
	30 to 600	34	2,500	3,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K16	000000


	1/4 Threaded NPT Male Pipe



			100 to 1,500	120	8,000	10,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K17	000000


			180 to 3,000	225	8,000	10,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K18	000000
			400 to 4,700	350	8,000	10,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K19	000000
			4,000 to 7,500	675	10,000	12,000	±1.5%	5 amp @ 125V AC 5 amp @ 250V AC 3 amp @ 30V DC 250 mA @ 125V DC	0 to 200	Brass	Oxygen	NEMA 4	C-UL Recognized Component, CE Marked, UL Recognized Component	3427K21	000000