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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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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-226
C$900.00
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-226D
C$985.00
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
C$570.00
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
C$1,035.00
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-238D
C$575.00
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
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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-522
C$152.00
7  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-536
C$198.00
5  In Stock
(1) 5 A SPST
50 to 800 psi
Gauge
1/8"
NPT Male
Fixed
20 to 100 psi
Silver plated contact
PSW-535
C$198.00
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
C$152.00
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-563
C$198.00
1  In Stock
(1) 1 A SPST
700 to 6,000 psi
Gauge
1/8"
NPT Male
Fixed
177 to 375 psi
Gold plated contact
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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
C$172.00
47  In Stock
(1) 5 A SPDT
33 to 600 psi
Gauge
1/8"
NPT Male
Fixed
9.5 to 69 psi
PSW-194
C$158.00
3  In Stock
(1) 5 A SPDT
180 to 3,000 psi
Gauge
1/4"
NPT Male
Fixed
50 to 400 psi
PSW-197
C$166.00
1  In Stock
(1) 5 A SPDT
110 to 1,500 psi
Gauge
1/4"
NPT Male
Fixed
23 to 253 psi
PSW-198
C$166.00
48  In Stock
(1) 5 A SPDT
198 to 3,000 psi
Gauge
1/4"
NPT Male
Fixed
57.5 to 460 psi
PSW-195
C$172.00
25  In Stock
(1) 5 A SPDT
11 to 150 psi
Gauge
1/8"
NPT Male
Fixed
2.5 to 11.5 psi
  Load More Items from this family (3) ...
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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
C$800.00
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
C$1,405.00
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-708
C$1,365.00
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-732
C$605.00
Available
in 5 weeks
(1) 15 A SPDT
10 to 100 psi
Gauge
1/2"
NPT Female
Fixed
1 to 15 psi
NEMA 4X, IP66 Enclosure High Temperature to 200 °C
PSW-725
C$1,285.00
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
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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
C$135.00
4  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-623
C$142.00
4  In Stock
(1) 1 A SPST
3 to 100 psi
Gauge
1/8"
NPT Male
Fixed
1.5 to 3.5 psi
Gold plated contact
PSW-622
C$142.00
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
C$142.00
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
C$135.00
11  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
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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
C$257.00
4  In Stock
(1) 15 A DPDT
9 to 300 psi
Gauge
1/4"
NPT Female
Fixed
1 to 5 psi
Standard
PSW-125
C$323.00
3  In Stock
(1) 15 A DPDT
80 to 1,700 psi
Gauge
1/2"
NPT Female
Fixed
5 to 120 psi
Standard
PSW-123
C$376.00
2  In Stock
(1) 15 A DPDT
15 to 300 psi
Gauge
1/2"
NPT Female
Adjustable
3 to 18 psi
Standard
PSW-133
C$376.00
2  In Stock
(1) 15 A DPDT
125 to 3,000 psi
Gauge
1/4"
NPT Female
Fixed
40 to 250 psi
Standard
PSW-108
C$264.00
16  In Stock
(1) 15 A DPDT
3 to 100 psi
Gauge
1/4"
NPT Female
Fixed
1 to 4 psi
Standard
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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-CD
C$510.00
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-GS
C$450.00
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
PSW12V-GS
C$490.00
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-AS
C$450.00
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-HS
C$475.00
Available
in 7 weeks
(1) 5 A SPDT
2,000 to 6,000 psi
Gauge
1/4"
NPT Female
Fixed
400 to 800 psi
FKM O-Ring
  Load More Items from this family (5) ...
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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-V1
C$185.00
3  In Stock
(1) 1 A SPST
-28.2 to 1.6 inHg
Vacuum
1/4"
VCR
Fixed
PSW-696-N5
C$178.00
4  In Stock
(1) 5 A SPST
-28.2 to 1.6 inHg
Vacuum
1/8"
NPT Male
Fixed
PSW-694-V1
C$185.00
Available
in 4 weeks
(1) 1 A SPST
7.5 to 250 psi
Gauge
1/4"
VCR
Fixed
PSW-692-N5
C$178.00
Available
in 4 weeks
(1) 5 A SPST
2 to 50 psi
Gauge
1/8"
NPT Male
Fixed
PSW-695-V1
C$185.00
Available
in 4 weeks
(1) 1 A SPST
15 to 500 psi
Gauge
1/4"
VCR
Fixed
  Load More Items from this family (19) ...
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NEMA-4X Watertight Pressure Switch for Harsh or Corrosive Environments

Ideal for use in harsh and corrosive environments, the PSW-300 Series pressure switches feature stainless steel or Buna-N diaphragm-sealed pistons or diaphragm actuators that prov... Read More

PSW-300
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-345
C$605.00
2  In Stock
(2) 15 A SPDT
3 to 15 psi
Gauge
1/4"
NPT Female
Fixed
0.7 to 1.4 psi
316 SS Diaphragm
PSW-328
C$520.00
2  In Stock
(2) 15 A SPDT
40 to 200 psi
Gauge
1/4"
NPT Female
Fixed
1.4 to 5.6 psi
NEMA 4X, IP66 Enclosure
PSW-304
C$535.00
Available
in 5 weeks
(1) 10 A SPDT
30 to 150 inH2O
Gauge
1/4"
NPT Female
Adjustable
18 to 135 inH2O
NEMA 4X, IP66 Enclosure
PSW-324
C$575.00
Available
in 5 weeks
(2) 15 A SPDT
30 to 150 inH2O
Gauge
1/4"
NPT Female
Fixed
2.1 to 4.2 inH2O
NEMA 4X, IP66 Enclosure
PSW-329
C$520.00
Available
in 5 weeks
(2) 15 A SPDT
80 to 400 psi
Gauge
1/4"
NPT Female
Fixed
6 to 11 psi
NEMA 4X, IP66 Enclosure
  Load More Items from this family (21) ...
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Heavy Duty "Division 1" Industrial Pressure Switches

Designed for applications in hazardous atmospheres, PSW-400 Series Pressure Switches offer complete reliability due to a rugged, die-cast aluminum enclosure with waterproof gasket... Read More

PSW-400
Product Number Switch Type Pressure Range Pressure Type Pressure Port Size Pressure Port Type Deadband Deadband Range Features
PSW-408
C$825.00
1  In Stock
(1) 10 A SPDT
40 to 200 psi
Gauge
1/4"
NPT Female
Adjustable
13 to 180 psi
Standard
PSW-411
C$915.00
5  In Stock
(1) 10 A SPDT
600 to 3,000 psi
Gauge
1/4"
NPT Female
Adjustable
200 to 2800 psi
Standard
PSW-404
C$885.00
1  In Stock
(1) 10 A SPDT
30 to 150 inH2O
Gauge
1/4"
NPT Female
Adjustable
15 to 135 inH2O
Standard
PSW-401
C$865.00
Available
in 4 weeks
(1) 10 A SPDT
-30 to -6 inHg
Vacuum
1/4"
NPT Female
Adjustable
3 to 27 inHg
Standard
PSW-407
C$825.00
Available
in 4 weeks
(1) 10 A SPDT
20 to 100 psi
Gauge
1/4"
NPT Female
Adjustable
5 to 90 psi
Standard
  Load More Items from this family (21) ...
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