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C$0-C$49.99 (1)
C$50-C$199.99 (6)
C$200-C$499.99 (11)
C$500-C$999.99 (13)
C$1,000-C$100,000 (9)

In Stock

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Deadband Range

0 to 150 psi (3)
1 to 4 psi (2)
0.30 to 0.30 inH2O (2)
1.5 to 3.5 psi (2)
0.40 to 0.50 inH2O (2)
2.2 to 9.0 psi (2)

0 to 150 psi (3)
1 to 4 psi (2)
0.30 to 0.30 inH2O (2)
1.5 to 3.5 psi (2)
0.40 to 0.50 inH2O (2)
2.2 to 9.0 psi (2)
0.1 to 0.8 inH2O (2)
1 to 2 psi (2)
1.0 to 1.7 psi (2)
2.0 to 7.3 inHg (2)
3 to 18 psi (2)
5.0 to 21 psi (2)
1.5 to 3.2 inHg (2)
1.3 to 2.7 inHg (2)
0.8 to 1.3 psi (2)
2.5 to 13 psi (2)
5 to 12 psi (1)
0.2 to 1.2 psi (1)
0.7 to 6 psi (1)
0 to 3,000 psi (1)
3.5 to 68 psi (1)
764.3 to 14287.5 psi (1)
455 to 1,280 psi (1)
1.1 to 9.0 psi (1)
0.08 to 0.09 inH2O (1)
15.3 to 285.8 psi (1)
70 to 110 psi (1)
1 to 8 psi (1)
70 to 250 psi (1)
57.5 to 460 psi (1)
15 to 135 inH2O (1)
10 to 30 psi (1)
2 to 6 psi (1)
0.06 to 0.06 inH2O (1)
1.1 to 5.7 inHg (1)
25.5 to 476.3 psi (1)
40 to 250 psi (1)
20 to 60 psi (1)
3 to 20 psi (1)
-15 to 15 psi (1)
13 to 180 psi (1)
40 to 90 psi (1)
2 to 13 psi (1)
1.4 to 3.5 psi (1)
45 to 360 psi (1)
23 to 253 psi (1)
8.5 to 90 inH2O (1)
1.30 to 3.0 inH2O (1)
2.4 to 4.2 inH2O (1)
0.4 to 2.4 inHg (1)
60 to 150 psi (1)
101.9 to 1,905 psi (1)
0.11 to 0.29 inH2O (1)
0.75 psi (1)
5 to 15 psi (1)
4 to 8 psi (1)
0.5 to 1.3 inH2O (1)
1 to 1.4 inH2O (1)
3 to 7 psi (1)
0.6 to 0.8 inH2O (1)
0 to 5800 psi (1)
0.10 to 0.12 inH2O (1)
0 to 1,000 psi (1)
20 to 220 psi (1)
2 to 10 psi (1)
200 to 500 psi (1)
0.04 to 0.04 in H2O (1)
3 to 8 psi (1)
0.05 to 0.05 inH2O (1)
5 to 54 psi (1)
0.7 to 1.4 inH2O (1)
6 to 11 psi (1)
0.04 to 0.06 inH2O (1)
0.14 to 0.28 inH2O (1)
0 to 300 psi (1)
3 to 14 inHg (1)
0.5 to 2.2 psi (1)
0.1 to 3 inH2O (1)
120 to 180 psi (1)
50 to 400 psi (1)
42 to 98 psi (1)
152.9 to 2857.5 psi (1)
35.7 to 714.3 psi (1)
10 to 60 psi (1)
18 to 135 inH2O (1)
8.4 to 19.2 inH2O (1)
4 to 12 inH2O (1)
4 to 45 psi (1)
26.3 psi (1)
51 to 952.5 psi (1)
382.1 to 7,143.8 psi (1)
0 to 100 psi (1)
0.1 to 0.6 inWC (1)
1.4 to 2.8 psi (1)
3 to 45 psi (1)
4.2 to 11.2 psi (1)
0 to 60 psi (1)
0.4 to 0.5 inH2O (1)
0.5 to 1 inH2O (1)
0.5 to 1 inHg (1)
1 to 2 inHg (1)
0 to 1500 psi (1)
0.2 to 0.8 psi (1)
5 to 120 psi (1)
2 to 5 psi (1)
2.4 to 6.8 psi (1)
3 to 27 inH2O (1)
3.6 inH2O (1)
0.18 to 0.45 inH2O (1)
0 to 15 psi (1)
0.10 to 0.10 inH2O (1)
37.4 to 71.4 psi (1)
4 to 30 psi (1)
0.1 to 3.0 inH2O (1)
0.5 to 1 psi (1)
1 to 15 psi (1)
1.5 to 3 inH2O (1)
400 to 2600 psi (1)
0.04 to 0.05 inH2O (1)
0 to 35 psi (1)
5.6 to 11 psi (1)
0.7 to 2.0 inH2O (1)
30 to 70 psi (1)
0.40 to 0.40 inH2O (1)
200 to 2800 psi (1)
5 to 30 psi (1)
400 to 800 psi (1)
8.0 to 6.4 inHg (1)
2.2 to 28 psi (1)
0.7 to 1.8 inH2O (1)
4 to 27 inH2O (1)
1.4 to 2.8 inH2O (1)
0.7 to 2.1 psi (1)
100 to 500 psi (1)
0.15 to 0.16 inH2O (1)
0.1 to 1.5 psi (1)
2.5 to 11.5 psi (1)
0.1 to 10 inH2O (1)
1.2 to 3.0 inH2O (1)
2.4 to 3.6 psi (1)
30 to 120 psi (1)
2.5 to 5.9 inH2O (1)
5.1 to 95.3 psi (1)
7 to 30 psi (1)
1 to 2.5 psi (1)
2 to 4 psi (1)
5 to 54 inH2O (1)
1.0 to 4.0 psi (1)
85 to 15.3 psi (1)
1 to 3 psi (1)
4 to 11 psi (1)
6 to 24 inHg (1)
3 to 54 inH2O (1)
0 to 400 psi (1)
11.3 psi (1)
0.56 to 1.10 inH2O (1)
0 to 600 psi (1)
1 to 5 psi (1)
0.06 to 0.11 inH2O (1)
3 to 27 psi (1)
1 to 4 inHg (1)
0.35 to 0.70 inH2O (1)
1.0 psi (1)
20 to 360 psi (1)
509.5 to 9525 psi (1)
0.5 to 1.5 psi (1)
10 to 42 psi (1)
3 to 10 psi (1)
0 to 5 psi (1)
0.7 to 1.4 inHg (1)
2 to 8 psi (1)
177 to 375 psi (1)
9.5 to 69 psi (1)
2 to 12 psi (1)
0.4 to 0.9 inH2O (1)
93.8 psi (1)
1.4 to 5.6 psi (1)
10 to 90 psi (1)
133 to 410 psi (1)
254.8 to 4,762.5 psi (1)
1.0 to 2.1 psi (1)
0.8 to 7.5 psi (1)
0.9 to 1.8 inH2O (1)
0 to 20 psi (1)
5 to 90 psi (1)
3 to 27 inHg (1)
0.1 to 1 psi (1)
350 to 800 psi (1)
8 to 60 psi (1)
0.7 to 1.4 psi (1)
186 to 470 psi (1)
0 to 1,500 psi (1)
0.6 to 4 psi (1)
Not Applicable (1)
20 to 100 psi (1)
1.7 to 2.8 psi (1)
0.6 to 3.7 psi (1)
1.5 to 6.0 psi (1)
10.2 to 190.5 psi (1)
0.08 to 0.08 inH2O (1)

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Pressure Range

15 to 500 psi (5)
4 to 20 inH2O (5)
3 to 100 psi (5)
3 to 15 psi (4)
2.5 to 50 inH2O (3)
-28.2 to 1.6 inHg (3)

15 to 500 psi (5)
4 to 20 inH2O (5)
3 to 100 psi (5)
3 to 15 psi (4)
2.5 to 50 inH2O (3)
-28.2 to 1.6 inHg (3)
5 to 30 psi (3)
7.5 to 250 psi (3)
20 to 500 psi (3)
0 to 150 psi (3)
80 to 400 psi (3)
15 to 300 psi (3)
6 to 30 psi (3)
20 to 100 psi (3)
10 to 100 psi (3)
40 to 200 psi (3)
2 to 50 psi (3)
0.8 to 30 psi (3)
1.4 to 5.5 inH2O (2)
80 to 1,700 psi (2)
2 to 40 psi (2)
-28.2 to 4 inHg (2)
0.4 to 1.6 inH2O (2)
12 to 60 inH2O (2)
5 to 30 inH2O (2)
-28.2 to 6 inHg (2)
-50 to 50 inH2O (2)
200 to 1,000 psi (2)
-30 to -6 inHg (2)
0.07 to 0.15 inH2O (2)
30 to 150 inH2O (2)
-15 to 0 psi (2)
0 to 100 psi (2)
-15 to 20 psi (2)
0.15 to 0.5 inH2O (2)
3 to 11 inH2O (2)
600 to 3,000 psi (2)
0 to 3,000 psi (1)
190 to 600 psi (1)
1.40 to 5.5 inH2O (1)
0.20 to 2 inH2O (1)
15 to 50 psi (1)
-30 to -1 inHg (1)
1.5 to 8 psi (1)
10 to 45 psi (1)
5 to 100 psi (1)
0.40 to 1.6 inH2O (1)
180 to 3,000 psi (1)
30 to 600 psi (1)
9 to 60 psi (1)
3 to 40 psi (1)
0 to 35 psi (1)
2.0 to 10 inH2O (1)
2.5 to 15 psi (1)
25 to 500 psi (1)
5 to 44 inH2O (1)
33 to 600 psi (1)
0 to 200 psi (1)
100 to 1,700 psi (1)
-28 to -6 inHg (1)
0.5 to 2 inH2O (1)
0 to 6 psi (1)
70 to 250 psi (1)
700 to 6,000 psi (1)
1,450 to 4,400 psi (1)
0.15 to 0.50 inH2O (1)
1.4 to 5.5 inH20 (1)
3.0 to 12 inH2O (1)
10 to 250 inH2O (1)
10 to 250 psi (1)
0.07 to 0.22 inH2O (1)
0.80 to 4 inH2O (1)
110 to 500 psi (1)
100 to 500 psi (1)
150 to 3,000 psi (1)
450 to 3,000 psi (1)
-15 to 15 psi (1)
60 to 400 psi (1)
2 to 13 psi (1)
23 to 150 inH2O (1)
0 to 70 psi (1)
125 to 3,000 psi (1)
22.5 to 125 psi (1)
20 to 150 psi (1)
10 to 150 psi (1)
50 to 150 psi (1)
1.0 to 3 inH2O (1)
0.12 to 1.60 inH2O (1)
3.0 to 11.75 inH2O (1)
100 to 2,000 psi (1)
11 to 150 psi (1)
0 to 25 psi (1)
600 to 5,000 psi (1)
0 to 400 psi (1)
0 to 5800 psi (1)
2.0 to 6 inH2O (1)
6 to 30 in H2O (1)
120 to 600 psi (1)
30 to 150 psi (1)
0.05 to 0.25 inH2O (1)
0 to 80 inH2O (1)
6 to 30 inH2O (1)
9 to 300 psi (1)
0 to 1,000 psi (1)
110 to 1,500 psi (1)
8.5 to 50 psi (1)
0 to 600 psi (1)
0.5 to 2 psi (1)
198 to 3,000 psi (1)
0.15 to 0.5 psi (1)
2 to 10 inH2O (1)
22 to 150 inH2O (1)
0 to 300 psi (1)
1 to 20 psi (1)
4 to 25 psi (1)
500 to 10,000 psi (1)
-134 to 395 inH2O (1)
0 to 5 psi (1)
0.8 to 20 psi (1)
4 to 100 psi (1)
9 to 35 psi (1)
9 to 60 inH2O (1)
150 to 1,000 psi (1)
250 to 5,000 psi (1)
10 to 90 psi (1)
375 to 7,500 psi (1)
0 to 50 psi (1)
0 to 20 psi (1)
15 to 100 inH2O (1)
-10 to 10 inH2O (1)
35 to 750 psi (1)
8 to 30 psi (1)
30 to 1,000 psi (1)
0.08 to 1.20 inH2O (1)
2,000 to 6,000 psi (1)
5 to 25 psi (1)
4 to 45 psi (1)
750 to 15,000 psi (1)
3 to 22 inH2O (1)
50 to 800 psi (1)
0 to 1,500 psi (1)
0.20 to 1 inH2O (1)
0.3 to 1 inH2O (1)
1.5 to 5 inH2O (1)
1.5 to 30 psi (1)
200 to 700 psi (1)
360 to 1,700 psi (1)
-28.2 to -1.2 inHg (1)
1,000 to 3,200 psi (1)
30 to 170 psi (1)
5 to 35 psi (1)
0.07 to 0.15 psi (1)
35 to 250 psi (1)
0 to 60 psi (1)
1,000 to 20,000 psi (1)
1 to 10 psi (1)
0 to 30 psi (1)
0 to 1500 psi (1)
9 to 85 inH2O (1)
10 to 200 psi (1)
50 to 1,000 Psi (1)
3,650 to 7,500 psi (1)
30 to 200 psi (1)
500 to 2,500 psi (1)
100 to 1,500 psi (1)
3 to 60 psi (1)

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Pressure Type

Gauge (18)
Differential (11)
Vacuum (7)
Compound Gauge (5)

Switch Type

(2) 15 A SPDT (5)
(1) 5 A SPST (5)
(1) 1 A SPST (4)
(1) 15 A SPDT (4)
15 A SPDT (4)
(1) 5 A SPDT (3)

(2) 15 A SPDT (5)
(1) 5 A SPST (5)
(1) 1 A SPST (4)
(1) 15 A SPDT (4)
15 A SPDT (4)
(1) 5 A SPDT (3)
(1) 10 A SPDT (3)
2 PNP (2)
10 A SPDT (1)
(2) 5 A SPDT (1)
1.5 A SPDT (1)
(1) 250 mA SPDT (1)
SPDT (1)
(1) 11 A DPDT (1)
1 A SPDT (1)
(2) 1 A SPDT (1)
(1) 10 A DPDT (1)
(1) 11 A SPDT (1)

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compliance

RoHS3 (22)
CE (17)

Features

Standard (3)
316 SS Diaphragm (2)
Gold plated contact (2)
NEMA 4X, IP66 Enclosure (2)
Silver plated contact (2)
None (2)

Standard (3)
316 SS Diaphragm (2)
Gold plated contact (2)
NEMA 4X, IP66 Enclosure (2)
Silver plated contact (2)
None (2)
Polysulfone Fittings (1)
Brass Fittings (1)
Fluorosilicone Diaphragm Material (1)
LED Display (1)
NBR O-Ring (1)
Compact Low Differential Pressure Switch with Conduit and HP Back Port (1)
120/240 VAC voltage option (1)
Compact Low Differential Pressure Switch without Conduit, with HP Back Port (1)
NEMA 4X, IP66 Enclosure High Temperature to 200 °C (1)
FKM O-Ring (1)
NEMA 4, IP65 Enclosure (1)
Stainless NEMA 4X, IP66 Enclosure (1)
Compact Low Differential Pressure Switch with Conduit (1)
Compact Low Differential Pressure Switch without Conduit (1)
External Manual Reset (1)
BUNA-N Diaphragm (1)
Compact Low Differential Pressure Switch, Manual Reset (1)
4-20 mA output, 120/240 VAC voltage option (1)
316 SS Connection (1)
DPDT Switch (1)
NEMA 6/IP67 Enclosure, OLED Display (1)
Non-ATEX Approved, Buna-N Diaphragm Material (1)
Two static tips and 7 ft of PVC tubing (1)
4-20 mA output (1)

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Pressure Port Size

1/4" (17)
1/8'' (6)
1/8" (6)
1/2" (4)
M20 (1)
1/2'' (1)

1/4" (17)
1/8'' (6)
1/8" (6)
1/2" (4)
M20 (1)
1/2'' (1)
None (1)

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Pressure Port Type

NPT Female (18)
NPT Male (10)
High Pressure F-250-C (1)
NPT (1)
VCR (1)
cable gland (1)

NPT Female (18)
NPT Male (10)
High Pressure F-250-C (1)
NPT (1)
VCR (1)
cable gland (1)
NPT conduit (1)
None (1)
BSPT Male (1)

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Deadband

Fixed (18)
Adjustable (15)

Pressure Switches

Grid Table

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29 Products

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Explosion-proof Differential Pressure Switch

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Industrial Pressure Switch for Harsh Environments with 2 Outputs

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.

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Compact Low Differential Pressure Switches

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Vibration Resistant Switches for Class I Hazardous Locations

The PSW-12 series are SPDT sealed switches that feature Belleville technology for superior longevity, stability, and vibration resistance in Class I hazardous locations.

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EXPLOSION-PROOF DIFFERENTIAL PRESSURE SWITCH

None

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HVAC Differential Pressure Switch

HVAC Differential Pressure Switch which applies to controlling air and fire-protection dampers and monitoring air filters and ventilators.

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Compact Low Differential Pressure Switches

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Series 1630 Large Diaphragm Pressure Switches

Large Diaphragm Differential Pressure Switches are used with air or compatible gases. Applications include damper positioning and industrial service.

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series-1996-gas-pressure-switch

Series 1996 Gas Pressure Switch

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Industrial Differential Pressure Switch for Harsh Environments

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Industrial Differential Pressure Switch for Harsh Environments

Setpoint Repeatability of ±1%Rugged Epoxy-Coated NEMA-4X Watertight EnclosureDependable Switch Actuation Between the Two Input PressuresHigh Static Pressure

Pressure Switches

Pressure switches are used in a wide variety of industrial, commercial, and laboratory applications. These switches help to control the pressure of a system and ensure safety.

Omega Engineering offers a variety of general purpose, electronic, mechanical, industrial, heavy duty, and OEM pressure switches in gauge, vacuum, and differential ranges with ultra low-pressure options. With a variety of features like adjustable deadbands, relays, and alarm outputs, these switches are reliable and easy to use. Omega's pressure switches are designed to withstand harsh environments and high temperatures.