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Pressure Switches

20 Products found
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The PSW-190 cylindrical pressure switch has an epoxy-sealed electrical termination. This rugged design enables the switch to withstand harsh environments.
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PSW-190
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband
6   In Stock
5 A SPDT
3000 psi
1/4 in
NPT
50 to 400 psi
56   In Stock
5 A SPDT
600 psi
1/8 in
NPT
9.5 to 69 psi
1   In Stock
5 A SPDT
1500 psi
1/4 in
NPT
23 to 253 psi
20   In Stock
5 A SPDT
3000 psi
1/4 in
NPT
57.5 to 460 psi
6   In Stock
5 A SPDT
1500 psi
1/4 in
NPT
20 to 220 psi
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OMEGA’s PSW601 series switches are designed to provide long stable life. They use a thin film sensor with a minimum life of 1 million cycles. Solid state circuitry analyzes... Read More

PSW-621-Series
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband
Available in 4 weeks
1 A Gold plated contact
28.2 inHg
1/8-27 in
MNPT
2.0 to 7.3 psi
3   In Stock
1 A Gold plated contact
100 psi
1/8-27 in
MNPT
1.5 to 3.5 psi
8   In Stock
1 A Gold plated contact
30 psi
1/8-27 in
MNPT
0.8 to 1.3 psi
1   In Stock
5 A Silver plated contact
30 psi
1/8-27 in
MNPT
0.8 to 1.3 psi
8   In Stock
5 A Silver plated contact
100 psi
1/8-27 in
MNPT
1.5 to 3.5 psi
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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 wide selection of adjustable ranges from 0.5 inH2O to 3000 psi.
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PSW-100
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband
3   In Stock
15 A SPDT
3000 psi
1/4 in
FNPT
40 to 250 psi
Available in 7 weeks
15 A SPDT
50 inWC
1/2 in
FNPT
0.1 to 0.8 inWC
24   In Stock
15 A SPDT
1000 psi
1/4 in
FNPT
3 to 20 psi
Available in 7 weeks
15 A SPDT
300 psi
1/2 in
FNPT
3 to 18. psi
Available in 7 weeks
15 A SPDT
20 psi
1/2 in
FNPT
0.1 to 1 psi
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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 th... Read More

PSW-300
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband Features
Available in 5 weeks
10 A SPDT switch
-30 inHg
1/4 in
FNPT
6 to 24 psi
Standard
Available in 5 weeks
10 A SPDT switch
30 inH2O
1/4 in
FNPT
4 to 27 psi
Standard
Available in 5 weeks
10 A SPDT switch
60 inH2O
1/4 in
FNPT
5 to 54 psi
Standard
Available in 5 weeks
10 A SPDT switch
30 psi
1/4 in
FNPT
3 to 18 psi
Standard
Available in 5 weeks
10 A SPDT switch
200 psi
1/4 in
FNPT
18 to 180 psi
Standard
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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 as an audible alarm.
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PSW-180
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband
Available in 7 weeks
5 A SPDT
9 psid
1/4 in
FNPT
0.75 psi
7   In Stock
5 A SPDT
43.5 psid
1/4 in
FNPT
1.0 psi
10   In Stock
5 A SPDT
9 psid
1/4 in
NPSF
0.75 psi
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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-... Read More

PSW-12
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband Features
8   In Stock
Single 5 A SPDT
3,200 psi
1/4 in
FNPT
Low 100 psi, 6.9 bar High 500 psi, 34.5 bar
Buna-N O-Ring
Available in 7 weeks
Single 5 A SPDT
35 psi
1/4 in
FNPT
Low 2 psi, 0.1 bar High 7 psi,0.5 bar
FKM O-Ring
Available in 7 weeks
Single 5 A SPDT
150 psi
1/4 in
FNPT
Low 5 psi, 0.3 bar, High 15 psi, 1.0 bar
FKM O-Ring
Available in 7 weeks
Single 5 A SPDT
6000 psi
1/4 in
FNPT
Low 400 psi, 27.6 bar High 800 psi, 55.2 bar
Buna-N O-Ring
6   In Stock
Single 5 A SPDT
3,200 psi
1/4 in
FNPT
Low 100 psi, 6.9 bar High 500 psi, 34.5 bar
FKM O-Ring
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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 installation, ports are tagged high and low, and the setpoint adjusts over the entire range.
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PSW-150
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband
Available in 7 weeks
15 A SPDT
40 psid
1/4 in
FNPT
0.3 to 0.7 psi
Available in 7 weeks
15 A SPDT
70 psid
1/4 in
FNPT
2.0 to 4.0 psi
Available in 7 weeks
15 A SPDT
6 psid
1/4 in
FNPT
0.1 to 0.4 psi
Available in 7 weeks
15 A SPDT
90 psid
1/4 in
FNPT
2.0 to 4.0 psi
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Designed for applications in hazardous atmospheres, PSW-400 Series Pressure Switches offer complete reliability due to a rugged, die-cast aluminum enclosure with waterproof... Read More

PSW-400
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband Features
Available in 4 weeks
10 A SPDT
-30 inHg vac
1/4 in
FNPT
3 to 27 inHg
Standard
Available in 4 weeks
10 A SPDT
60 inH2O
1/4 in
FNPT
3 to 54 inH2O
Standard
Available in 4 weeks
10 A SPDT
30 in H2O
1/4 in
FNPT
3 to 27 inH2O
Standard
Available in 4 weeks
10 A SPDT
150 inH2O
1/4 in
FNPT
15 to 135 inH2O
Standard
Available in 4 weeks
10 A SPDT
15 psi
1/4 in
FNPT
2 to 13 psi
Standard
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OMEGA’s PSW601 series switches are designed to provide long stable life. They use a thin film sensor with a minimum life of 1 million cycles. Solid state circuitry analyzes... Read More

PSW-601
Price Stock Switch Type Maximum Pressure Pressure Port Size Pressure Port Type Deadband Features
Available in 6 weeks
UL- and CSA-rated SPDT switch
7500 psi
1/4 in
FNPT
Adjustable 0.1 to 95% of range
110 Vac
Available in 6 weeks
UL- and CSA-rated SPDT switch
200 psi
1/4 in
FNPT
Adjustable 0.1 to 95% of range
Standard
Available in 6 weeks
UL- and CSA-rated SPDT switch
750 psi
1/4 in
FNPT
Adjustable 0.1 to 95% of range
Standard
Available in 6 weeks
UL- and CSA-rated SPDT switch
100 psi
1/4 in
FNPT
Adjustable 0.1 to 95% of range
Standard
Available in 6 weeks
UL- and CSA-rated SPDT switch
60 psi
1/4 in
FNPT
Adjustable 0.1 to 95% of range
Standard
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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... Read More

PSW-800
Price Stock Maximum Pressure Pressure Port Size Pressure Port Type Deadband
Available in 5 weeks
28 inHg
1/4 in
MNPT
1 to 4 psi
4   In Stock
44 psi
1/4 in
MNPT
1.5 to 6.0 psi
2   In Stock
31 psi
1/4 in
MNPT
1.0 to 4.0 psi
4   In Stock
220 psi
1/4 in
MNPT
10 to 30 psi
3   In Stock
450 psi
1/4 in
MNPT
60 to 150 psi
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