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Single Pressure Mechanical Pressure Switch
Added to Your Shopping Cart

The PSW-100 series are 15 A DPDT switches with a fixed or adjustable deadband, adjustment lock, and UL listing for general purpose applications.
Product Number | Deadband | Deadband Type | Measurement Pressure, Max | Measurement Pressure, Min |
---|---|---|---|---|
|
1 to 5 psi
|
Fixed
|
300 psi
|
9 psi
|
|
0.1 to 1 psi
|
Fixed
|
20 psi
|
1 psi
|
|
0.1 to 1.5 psi
|
Fixed
|
50 psi
|
2 psi
|
|
1 to 2 psi
|
Fixed
|
30 psi
|
1.5 psi
|
|
1 to 4 psi
|
Fixed
|
100 psi
|
3 psi
|

The Weatherproof Diaphragm Pressure Switch is designed for chemical and industrial use, featuring rugged construction and reliable performance in harsh environments.
Product Number | Deadband |
---|---|
|
2 psi
|
|
4 psi
|
|
8 psi
|
|
15 psi
|
|
30 psi
|

The OEM Weatherproof Pressure Switch features durable 316 SS construction and a 15 A contact, ideal for direct control of pumps and motors in outdoor applications.
Product Number | Electrical Connection | Measurement Pressure, Max | Switch Type |
---|---|---|---|
|
Screw Terminal
|
15 psi
|
SPDT Snap
|
|
Screw Terminal
|
75 psi
|
SPDT Snap
|
|
Screw Terminal
|
225 psi
|
SPDT Snap
|
|
Screw Terminal
|
450 psi
|
SPDT Snap
|

Diaphragm Operated Pressure Switches are weatherproof and economical. The design maintains a constant effective area to minimize friction.
Product Number | Deadband | Material Construction Option | Measurement Pressure, Max | Process Connection Size |
---|---|---|---|---|
|
4 to 75 psi
|
Aluminum
|
150 psi
|
1/4 in
|
|
4 to 75 psi
|
316 Stainless Steel
|
150 psi
|
1/4 in
|
|
4 to 75 psi
|
316 Stainless Steel
|
150 psi
|
1/2 in
|
|
5 to 150 psi
|
Aluminum
|
250 psi
|
1/4 in
|
|
5 to 150 psi
|
316 Stainless Steel
|
250 psi
|
1/4 in
|

The PSW-300 series are 10 A SPDT switches with fixed or adjustable deadbands that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.
Product Number | Deadband | Materials | Measurement Pressure, Max | Measurement Pressure, Min |
---|---|---|---|---|
|
6 to 24 inHg
|
Aluminum, NBR, Nitrile Rubber
|
-6 inHg
|
-30 inHg
|
|
4 to 27 inH2O
|
Aluminum, NBR, Nitrile Rubber
|
30 inH₂O
|
6 inH₂O
|
|
5 to 54 inH2O
|
Aluminum, NBR, Nitrile Rubber
|
60 inH₂O
|
12 inH₂O
|
|
18 to 135 inH2O
|
Aluminum, NBR, Nitrile Rubber
|
150 inH₂O
|
30 inH₂O
|
|
2.5 to 13 psi
|
Aluminum, NBR, Nitrile Rubber
|
15 psi
|
3 psi
|

The PSW-200 series are hermetically sealed SPDT and DPDT switches that are UL listed and cUL certified with a NEMA-4X housing for harsh environments.
Product Number | Measurement Pressure, Max | Measurement Pressure, Min |
---|---|---|
|
100 psi
|
3 psi
|
|
30 psi
|
5 psi
|
|
100 psi
|
10 psi
|
|
300 psi
|
15 psi
|
|
50 inH₂O
|
2.5 inH₂O
|

The PSW-700 series are heavy duty SPDT switches with a fixed or adjustable deadband that have NEMA-7 and NEMA-9 housings to withstand high temperatures and harsh environments
Product Number | Deadband |
---|---|
|
0.2 to 0.8 psi
|
|
0.2 to 1.2 inHg
|
|
0.1 to 3 inH2O
|
|
0.1 to 0.8 inH2O
|
|
0.1 to 10 inH2O
|

The PSW-800 series are economical, compact 5 A SPST switches with a fixed deadband that are UL listed and CSA certified for harsh environment applications.
Product Number | Deadband |
---|---|
|
350 to 800 psi
|
|
1 to 4 inHg
|
|
0.5 to 2.2 psi
|
|
1 to 4 psi
|
|
1.5 to 6 psi
|

The PSW-601 series are 10 A SPDT solid state switches for high cycle applications. They have an adjustable deadband and NEMA-4X housing to withstand harsh environments.
Product Number | Deadband |
---|---|
|
50.9 to 952.5 psi
|
|
101.9 to 1905 psi
|
|
152.9 to 2857.5 psi
|
|
254.8 to 4762.5 psi
|
|
3.1 to 57.2 psi
|

The PSW-370 series are 15 A SPDT switches with a fixed deadband and dual outputs that are UL listed and CSA certified along with a NEMA-4X enclosure for harsh environments.
Product Number | Measurement Pressure, Max | Measurement Pressure, Min |
---|---|---|
|
30 inH₂O
|
5 inH₂O
|
|
150 inH₂O
|
22 inH₂O
|
|
15 psi
|
3 psi
|
|
30 psi
|
6 psi
|
|
100 psi
|
20 psi
|

The PSW-12 series are SPDT sealed switches that feature Belleville technology for superior longevity, stability, and vibration resistance in Class I hazardous locations.
Product Number | Deadband | Materials | Measurement Pressure, Max | Measurement Pressure, Min | Switch |
---|---|---|---|---|---|
|
2 to 6 psi
|
Stainless Steel, 316 Stainless Steel, Perfluoroalkoxy
|
30 psi
|
8 psi
|
Single
|
|
5 to 15 psi
|
Stainless Steel, 316 Stainless Steel, Perfluoroalkoxy
|
170 psi
|
30 psi
|
Dual
|
|
5 to 15 psi
|
Stainless Steel, 316 Stainless Steel, Perfluoroalkoxy
|
170 psi
|
30 psi
|
Single
|
|
40 to 90 psi
|
Stainless Steel, 316 Stainless Steel, Perfluoroalkoxy
|
700 psi
|
200 psi
|
Single
|
|
100 to 500 psi
|
Stainless Steel, 316 Stainless Steel, Perfluoroalkoxy
|
3200 psi
|
1000 psi
|
Single
|

The PSW-850 series are 15 A SPDT switches with a fixed deadband and two or three outputs for general purpose applications.
Product Number | Measurement Pressure, Max |
---|---|
|
50 psi
|
|
80 inH₂O
|
|
20 psi
|
|
30 psi
|
|
200 psi
|

The Series AFS Adjustable Flow Switches feature piston design for oils, liquids, and gases. Easily set flow rates from 0.5 to 20 GPM for reliable control and protection.
Product Number | Electrical Connection | Pressure Limits | Sensor Material | Sensor Type |
---|---|---|---|---|
|
Pigtail Leads
|
Up to 1000 psi
|
Brass, Stainless Steel, Fluoroelastomer
|
Oil
|
|
Pigtail Leads
|
Up to 1000 psi
|
Brass, Polysulfone, Stainless Steel, Fluoroelastomer
|
Water
|
|
Pigtail Leads
|
Up to 1000 psi
|
316 Stainless Steel, Fluoroelastomer, Epoxy
|
Liquids
|
|
1/2 in NPT male Conduit with Wire Leads
|
Up to 1000 psi
|
316 Stainless Steel, Fluoroelastomer, Epoxy
|
Liquids
|
|
Pigtail Leads
|
Up to 5 psi
|
Brass, Stainless Steel, Fluoroelastomer
|
Gases
|

The PSW-581 series are economical, compact DPDT switches with a fixed deadband and UL listed.
Product Number | Deadband |
---|---|
|
3 to 14 inHg
|
|
2 to 5 psi
|
|
5 to 30 psi
|
|
30 to 120 psi
|
Single Pressure Mechanical Pressure Switch
Single-pressure mechanical pressure switches activate or deactivate equipment at preset pressur...
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