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Pressure Switches

Energize or de-energize electrical circuits as a function of whether the process pressure is no...
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21 Products found
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Economical Industrial Pressure Switches for Vacuum to 7500psi

The PSW-800 Series are economical pressure switches which feature an easy-to-adjust setpoint with locking set screw. They utilize a sealed piston or diaphragm-piston design, which... Read More

PSW-800
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range
PSW-807
$100.00
12  In Stock
(1) 5 A SPST
110 to 500 psi
Gauge
1/4"
NPT Male
Fixed
20 to 60 psi
PSW-801
$100.00
8  In Stock
(1) 5 A SPST
-30 to -1 inHg
Vacuum
1/4"
NPT Male
Fixed
1 to 4 inHg
PSW-802
$100.00
8  In Stock
(1) 5 A SPST
2.5 to 15 psi
Gauge
1/4"
NPT Male
Fixed
0.5 to 2.2 psi
PSW-803
$100.00
3  In Stock
(1) 5 A SPST
5 to 35 psi
Gauge
1/4"
NPT Male
Fixed
1.0 to 4.0 psi
PSW-805
$100.00
8  In Stock
(1) 5 A SPST
22.5 to 125 psi
Gauge
1/4"
NPT Male
Fixed
2.5 to 13 psi
  Load More Items from this family (6) ...
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General Purpose Pressure Switches, In NEMA-4X Enclosures

OMEGA's affordable, general purpose pressure switches offer distinct advantages over most similar style switches, including DPDT or adjustable deadband switches, as well as a ... Read More

PSW-100
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-112
$195.00
5  In Stock
(1) 15 A DPDT
9 to 300 psi
Gauge
1/4"
NPT Female
Fixed
1 to 5 psi
Standard
PSW-104
$430.00
2  In Stock
(1) 15 A DPDT
1 to 20 psi
Gauge
1/2"
NPT Female
Fixed
0.1 to 1 psi
Standard
PSW-107
$200.00
15  In Stock
(1) 15 A DPDT
1.5 to 30 psi
Gauge
1/4"
NPT Female
Fixed
1 to 2 psi
Standard
PSW-108
$200.00
11  In Stock
(1) 15 A DPDT
3 to 100 psi
Gauge
1/4"
NPT Female
Fixed
1 to 4 psi
Standard
PSW-125
$245.00
1  In Stock
(1) 15 A DPDT
80 to 1,700 psi
Gauge
1/2"
NPT Female
Fixed
5 to 120 psi
Standard
  Load More Items from this family (19) ...
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Economical Differential Pressure Switches/Alarms

The PSW-180 Series differential pressure switch offers a blend of small size, excellent performance and environmental protection. The PSW-180 is available with switch contacts or ... Read More

PSW-180
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-181
$135.00
1  In Stock
(1) 5 A SPDT
1 to 10 psi
Differential
1/4"
NPT Female
Fixed
0.75 psi
Polysulfone Fittings
PSW-183
$151.00
5  In Stock
(1) 5 A SPDT
1 to 10 psi
Differential
1/4"
NPT Female
Fixed
0.75 psi
Brass Fittings
PSW-184
$151.00
14  In Stock
(1) 5 A SPDT
4 to 45 psi
Differential
1/4"
NPT Female
Fixed
1.0 psi
Polysulfone Fittings
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Miniature Pressure and Vacuum Switches

Capable of sensing very low positive or negative pressures, reliability and long life are inherent advantages of this design. Extremely easy set point adjustment: 1) Loosen ... Read More

PSW-500
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-532
$150.00
3  In Stock
(1) 5 A SPST
2 to 50 psi
Gauge
1/8"
NPT Male
Fixed
0.8 to 7.5 psi
Silver plated contact
PSW-522
$115.00
6  In Stock
(1) 1 A SPST
2 to 40 psi
Gauge
1/8"
NPT Male
Fixed
1.0 to 1.7 psi
Gold plated contact
PSW-542
$110.00
1  In Stock
(1) 1 A SPST
-28.2 to 4 inHg
Vacuum
1/8"
NPT Male
Fixed
1.5 to 3.2 inHg
Gold plated contact
PSW-551
$150.00
4  In Stock
(1) 5 A SPST
-28.2 to -1.2 inHg
Vacuum
1/8"
NPT Male
Fixed
1.1 to 5.7 inHg
Silver plated contact
PSW-536
$150.00
5  In Stock
(1) 5 A SPST
50 to 800 psi
Gauge
1/8"
NPT Male
Fixed
20 to 100 psi
Silver plated contact
  Load More Items from this family (17) ...
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NEMA-4X Differential Pressure Switches

SPECIFICATIONS Approval: UL listed, CSA certified Storage Temp: -29 to 66°C (-20 to 150°F) Ambient Temp. Limits: -29 to 66°C (... Read More

PSW-351-Series
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-355
$640.00
1  In Stock
(1) 10 A SPDT
5 to 30 psi
Differential
1/4"
NPT Female
Adjustable
3 to 27 psi
NEMA 4X, IP66 Enclosure
PSW-351
$585.00
2  In Stock
(1) 10 A SPDT
5 to 30 inH2O
Differential
1/4"
NPT Female
Adjustable
4 to 27 inH2O
NEMA 4X, IP66 Enclosure
PSW-361
$625.00
Available
in 5 weeks
(2) 15 A SPDT
5 to 30 inH2O
Differential
1/4"
NPT Female
Fixed
0.7 to 1.4 inH2O
NEMA 4X, IP66 Enclosure
PSW-357
$640.00
Available
in 5 weeks
(1) 10 A SPDT
30 to 200 psi
Differential
1/4"
NPT Female
Adjustable
18 to 180 psi
NEMA 4X, IP66 Enclosure
PSW-354
$585.00
Available
in 5 weeks
(1) 10 A SPDT
23 to 150 inH2O
Differential
1/4"
NPT Female
Adjustable
18 to 135 inH2O
NEMA 4X, IP66 Enclosure
  Load More Items from this family (11) ...
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Heavy Duty Industrial Switches, Single or Dual Setpoint, Internal or External Adjustment

The PSW-700 Series pressure switch is built for the rugged industrial setting. The internal set points allow adjustments while keeping the electrical component isolated from the e... Read More

PSW-700
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-704
$1,065.00
2  In Stock
(2) 15 A SPDT
0 to 100 psi
Gauge
1/2"
NPT Female
Adjustable
0.2 to 0.8 psi
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-716
$607.00
1  In Stock
(2) 15 A SPDT
50 to 500 Psi
Gauge
1/4"
NPT Female
Adjustable
3 to 12 psi
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-725
$975.00
Available
in 5 weeks
(1) 15 A SPDT
2.5 to 50 inH2O
Gauge
1/2"
NPT Female
Fixed
0.1 to 0.8 inH2O
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-708
$1,035.00
Available
in 5 weeks
(2) 15 A SPDT
-15 to 20 psi
Compound Gauge
1/2"
NPT Female
Adjustable
0.2 to 1.2 inHg
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-735
$490.00
Available
in 5 weeks
(1) 15 A SPDT
80 to 1,700 psi
Gauge
1/2"
NPT Female
Fixed
5 to 150 psi
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
  Load More Items from this family (22) ...
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Industrial Pressure Switches for Harsh Environments

SPECIFICATIONS Approvals:UL Listed, cUL Certified Storage Temperature: -54 to 71°C (-65 to 160°F) Ambient Temperature Limits: -40 to... Read More

PSW-200
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-226D
$747.00
1  In Stock
(1) 11 A DPDT
10 to 250 inH2O
Gauge
1/2"
NPT Female
Fixed
27 inH2O
NEMA 4X, IP66 Enclosure
PSW-226
$683.00
2  In Stock
(1) 11 A SPDT
10 to 250 inH2O
Gauge
1/2"
NPT Female
Fixed
0.4 to 24 inH2O
NEMA 4X, IP66 Enclosure
PSW-225D
$785.00
1  In Stock
(1) 11 A DPDT
2.5 to 50 inH2O
Gauge
1/2"
NPT Female
Fixed
3.6 inH2O
NEMA 4X, IP66 Enclosure
PSW-236
$432.00
1  In Stock
(1) 11 A SPDT
3 to 100 psi
Gauge
1/4"
NPT Female
Fixed
2 to 12 psi
NEMA 4X, IP66 Enclosure
PSW-238D
$435.00
Available
in 5 weeks
(1) 11 A DPDT
15 to 500 psi
Gauge
1/4"
NPT Female
Fixed
26.3 psi
NEMA 4X, IP66 Enclosure
  Load More Items from this family (25) ...
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Compact, Vibration Resistant Switches for Class I Hazardous Locations

OMEGA'S PSW12 offers reliability, repeatability and durability in a compact design. This switch is rack mountable and has an accessible adjustment when installed. Snap-Action ... Read More

PSW-12
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW12T-GS
$340.00
14  In Stock
(1) 5 A SPDT
1,000 to 3,200 psi
Gauge
1/4"
NPT Female
Fixed
100 to 500 psi
NBR O-Ring
PSW12T-CD
$385.00
3  In Stock
(2) 5 A SPDT
30 to 170 psi
Gauge
1/4"
NPT Female
Fixed
5 to 15 psi
NBR O-Ring
PSW12T-AS
$340.00
5  In Stock
(1) 5 A SPDT
8 to 30 psi
Gauge
1/4"
NPT Female
Fixed
2 to 6 psi
NBR O-Ring
PSW12V-GS
$370.00
7  In Stock
(1) 5 A SPDT
1,000 to 3,200 psi
Gauge
1/4"
NPT Female
Fixed
100 to 500 psi
FKM O-Ring
PSW12V-FD
$372.00
3  In Stock
(2) 5 A SPDT
400 to 1,500 psi
Gauge
1/4"
NPT Female
Fixed
100 to 250 psi
FKM O-Ring
  Load More Items from this family (8) ...
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Economical Brass Pressure Switches

The PSW-190 cylindrical pressure switch has an epoxy-sealed electrical termination. This rugged design enables the switch to withstand harsh environments. SPECIFI... Read More

PSW-190
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range
PSW-198
$125.50
24  In Stock
(1) 5 A SPDT
198 to 3,000 psi
Gauge
1/4"
NPT Male
Fixed
57.5 to 460 psi
PSW-194
$120.00
3  In Stock
(1) 5 A SPDT
180 to 3,000 psi
Gauge
1/4"
NPT Male
Fixed
50 to 400 psi
PSW-192
$120.00
4  In Stock
(1) 5 A SPDT
30 to 600 psi
Gauge
1/8"
NPT Male
Fixed
8 to 60 psi
PSW-195
$130.00
26  In Stock
(1) 5 A SPDT
11 to 150 psi
Gauge
1/8"
NPT Male
Fixed
2.5 to 11.5 psi
PSW-191
$120.00
24  In Stock
(1) 5 A SPDT
10 to 150 psi
Gauge
1/8"
NPT Male
Fixed
2 to 10 psi
  Load More Items from this family (3) ...
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General Purpose Differential Pressure Switches

PSW-150 Series differential switches are ideally suited for laboratory and industrial applications where a rugged, repeatable, and dependable switch is required. For ease of insta... Read More

PSW-150
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband
PSW-154
$545.00
3  In Stock
(1) 15 A DPDT
0 to 70 psi
Differential
1/4"
NPT Female
Fixed
PSW-152
$393.00
45  In Stock
(1) 15 A DPDT
0 to 25 psi
Differential
1/4"
NPT Female
Fixed
PSW-153
$565.00
Available
in 5 weeks
(1) 15 A DPDT
0 to 40 psi
Differential
1/4"
NPT Female
Fixed
PSW-155
$385.00
Available
in 5 weeks
(1) 15 A DPDT
10 to 90 psi
Differential
1/4"
NPT Female
Fixed
PSW-151
$565.00
Available
in 5 weeks
(1) 15 A DPDT
0 to 6 psi
Differential
1/4"
NPT Female
Fixed
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