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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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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-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-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-722
$889.00
Available
in 99 weeks
(1) 15 A SPDT
-10 to 10 inH2O
Compound Gauge
1/2"
NPT Female
Fixed
0.1 to 0.6 inH2O
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-733
$414.00
Available
in 99 weeks
(1) 15 A SPDT
15 to 300 psi
Gauge
1/2"
NPT Female
Fixed
3 to 25 psi
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-702
$932.00
Available
in 99 weeks
(2) 15 A SPDT
0 to 20 psi
Gauge
1/2"
NPT Female
Adjustable
0.1 to 0.5 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-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-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-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-225
$697.00
Available
in 99 weeks
(1) 11 A SPDT
2.5 to 50 inH2O
Gauge
1/2"
NPT Female
Fixed
0.4 to 3.2 inH2O
NEMA 4X, IP66 Enclosure
  Load More Items from this family (25) ...
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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-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
PSW-808
$100.00
2  In Stock
(1) 5 A SPST
190 to 600 psi
Gauge
1/4"
NPT Male
Fixed
60 to 150 psi
PSW-807
$100.00
14  In Stock
(1) 5 A SPST
110 to 500 psi
Gauge
1/4"
NPT Male
Fixed
20 to 60 psi
PSW-804
$100.00
9  In Stock
(1) 5 A SPST
8.5 to 50 psi
Gauge
1/4"
NPT Male
Fixed
1.5 to 6.0 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-124
$245.00
2  In Stock
(1) 15 A DPDT
20 to 500 psi
Gauge
1/2"
NPT Female
Fixed
4 to 30 psi
Standard
PSW-113
$240.00
1  In Stock
(1) 15 A DPDT
9 to 300 psi
Gauge
1/4"
NPT Female
Adjustable
4 to 11 psi
Standard
PSW-136
$510.00
7  In Stock
(1) 15 A DPDT
-50 to 50 inH2O
Compound Gauge
1/2"
NPT Female
Fixed
0.1 to 3.0 inH2O
Standard
PSW-118
$245.00
2  In Stock
(1) 15 A DPDT
5 to 30 psi
Gauge
1/2"
NPT Female
Fixed
1 to 3 psi
Standard
PSW-109
$270.00
4  In Stock
(1) 15 A DPDT
3 to 100 psi
Gauge
1/4"
NPT Female
Fixed
Not Applicable
External Manual Reset
  Load More Items from this family (27) ...
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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-535
$150.00
2  In Stock
(1) 5 A SPST
20 to 500 psi
Gauge
1/8"
NPT Male
Fixed
3.5 to 68 psi
Silver plated contact
PSW-525
$115.00
11  In Stock
(1) 1 A SPST
15 to 500 psi
Gauge
1/8"
NPT Male
Fixed
5.0 to 21 psi
Gold plated contact
PSW-541
$110.00
12  In Stock
(1) 1 A SPST
-28.2 to 1.6 inHg
Vacuum
1/8"
NPT Male
Fixed
1.3 to 2.7 inHg
Gold plated contact
PSW-533
$150.00
12  In Stock
(1) 5 A SPST
4 to 100 psi
Gauge
1/8"
NPT Male
Fixed
1.1 to 9.0 psi
Silver plated contact
PSW-531
$150.00
4  In Stock
(1) 5 A SPST
0.8 to 20 psi
Gauge
1/8"
NPT Male
Fixed
0.6 to 3.7 psi
Silver plated contact
  Load More Items from this family (17) ...
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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-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
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
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 (26) ...
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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-196
$130.00
49  In Stock
(1) 5 A SPDT
33 to 600 psi
Gauge
1/8"
NPT Male
Fixed
9.5 to 69 psi
PSW-193
$120.00
8  In Stock
(1) 5 A SPDT
100 to 1,500 psi
Gauge
1/4"
NPT Male
Fixed
20 to 220 psi
PSW-197
$125.50
2  In Stock
(1) 5 A SPDT
110 to 1,500 psi
Gauge
1/4"
NPT Male
Fixed
23 to 253 psi
PSW-195
$130.00
27  In Stock
(1) 5 A SPDT
11 to 150 psi
Gauge
1/8"
NPT Male
Fixed
2.5 to 11.5 psi
PSW-192
$120.00
13  In Stock
(1) 5 A SPDT
30 to 600 psi
Gauge
1/8"
NPT Male
Fixed
8 to 60 psi
  Load More Items from this family (3) ...
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Economical OEM Pressure Switches, Vacuum to 500 psi

SPECIFICATIONS Switch:15 Amp SPDT silver contacts Approvals: UL Process Temp.: -35 to 85°C (-31 to 185°F) 2% set point shift can occ... Read More

PSW-581-Series
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range
PSW-583
$56.00
5  In Stock
(1) 15 A DPDT
30 to 150 psi
Gauge
1/4"
NPT Male
Fixed
5 to 30 psi
PSW-582
$56.00
Available
in 7 days
(1) 15 A DPDT
3 to 40 psi
Gauge
1/4"
NPT Male
Fixed
2 to 5 psi
PSW-584
$56.00
Available
in 4 weeks
(1) 15 A DPDT
100 to 500 psi
Gauge
1/4"
NPT Male
Fixed
30 to 120 psi
PSW-581
$56.00
Available
in 4 weeks
(1) 15 A DPDT
-28 to -6 inHg
Vacuum
1/4"
NPT Male
Fixed
3 to 14 inHg
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High Purity Pressure/Vacuum Switches with All Stainless Steel Wetted Parts

SPECIFICATIONS Process Temp: -54 to 107°C (-65 to 225°F); setpoint change of up to 2% of sensor capacity may be anticipated when switch is used either below -2... Read More

PSW-690
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband
PSW-696-N5
$135.00
5  In Stock
(1) 5 A SPST
-28.2 to 1.6 inHg
Vacuum
1/8"
NPT Male
Fixed
PSW-696-V1
$140.00
1  In Stock
(1) 1 A SPST
-28.2 to 1.6 inHg
Vacuum
1/4"
VCR
Fixed
PSW-691-N1
$135.00
2  In Stock
(1) 1 A SPST
0.8 to 30 psi
Gauge
1/8"
NPT Male
Fixed
PSW-696-N1
$135.00
Available
in 4 weeks
(1) 1 A SPST
-28.2 to 1.6 inHg
Vacuum
1/8"
NPT Male
Fixed
PSW-695-V5
$140.00
Available
in 4 weeks
(1) 5 A SPST
15 to 500 psi
Gauge
1/4"
VCR
Fixed
  Load More Items from this family (19) ...
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Economical Pressure and Vacuum Switches

SPECIFICATIONS Process Temp: -55 to 105°C (-65 to 221°F) 2% setpoint shift can occur below -23°C (-10°F) or above 52°C (125°F) Repeatability: ± 2%... Read More

PSW-621-Series
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-633
$102.00
6  In Stock
(1) 5 A SPST
3 to 100 psi
Gauge
1/8"
NPT Male
Fixed
1.5 to 3.5 psi
Silver plated contact
PSW-622
$107.50
3  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-626
$107.50
2  In Stock
(1) 1 A SPST
-28.2 to 1.6 inHg
Vacuum
1/8"
NPT Male
Fixed
1.3 to 2.7 inHg
Gold plated contact
PSW-634
$102.00
12  In Stock
(1) 5 A SPST
7.5 to 250 psi
Gauge
1/8"
NPT Male
Fixed
2.2 to 9.0 psi
Silver plated contact
PSW-621
$107.50
5  In Stock
(1) 1 A SPST
0.8 to 30 psi
Gauge
1/8"
NPT Male
Fixed
0.8 to 1.3 psi
Gold plated contact
  Load More Items from this family (11) ...
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