Pressure & Vacuum Switches

Pressure and vacuum switches are used in pneumatic systems to allow pressure or vacuum to flow from one place to another, ensuring that the overall system remains stable. They form part of the control system, ensuring that optimal conditions are maintained.

How do pressure and vacuum switches work?

Pressure and vacuum switches work in different ways. Pressure switches are controlled by the level of fluid pressure on the input. When the pressure reaches a certain level, an electrical contact will be closed, ensuring that the pressure stays within given bounds. Vacuum switches regulate the flow of vacuum between two spaces, ensuring it is present where it is needed.

Types of pressure and vacuum switches

Different pressure and vacuum switches operate under different types of pressure, such as negative pressure, electro-mechanical pressure, relative pressure and compound pressure. This is determined by the conditions in which they operate, and of course will impact which one you choose for your project. These switches also have different types of connection, different maximum and minimum pressure settings, and varying voltage drops.


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Description Price Minimum Operating Pressure Maximum Operating Pressure Pressure Type Suitable Media Connection Type Voltage Rating Connection Thread Size Manufacturer Series Contact Operation Connection Thread Standard Minimum Operating Temperature Maximum Operating Temperature IP Rating
RS Stock No. 880-2299
BrandRS PRO
MYR576.27
Each
units
0.2bar 2.5 bar - Fluid 1/4 in BSP Male Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65
RS Stock No. 297-0052
BrandRS PRO
MYR219.85
Each
units
1bar 12 bar Positive Pressure - G 1/4 Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65
RS Stock No. 296-9995
BrandRS PRO
MYR781.54
Each
units
5bar 100 bar Positive Pressure Oil G 1/4 Adjustable 250V ac/dc 1/4 in K5 Normally Closed, Normally Open G -20°C +80°C IP65
RS Stock No. 511-6661
Mfr. Part No.SCPSD-600-04-16
BrandParker
MYR2,046.24
Each
units
0bar 600 bar Positive Pressure - G 1/4 - 1.5V dc 1/4 in SCPSD - G -20°C +85°C IP65, IP67
RS Stock No. 363-5996
BrandRS PRO
MYR366.72
Each
units
10bar 100 bar Positive Pressure - G 1/4 Adjustable 250V ac/dc 1/4 in K3 Normally Closed, Normally Open G -20°C +80°C IP65
RS Stock No. 743-6605
Mfr. Part No.ISE30A-01-P
BrandSMC
MYR430.02
Each
units
-0.1MPa 1 MPa Positive Pressure Air, Gas R 1/8 - 12 → 24V dc 1/8 in ISE30A - R 0°C +50°C IP40
RS Stock No. 843-0367
Mfr. Part No.IS3000-N02
BrandSMC
MYR478.06
Each
units
- 0.8 (Operating) MPa, 1 (Proof) MPa - Air, Inlet Gas NPT 1/4 Reed 125 V dc, 250 V ac 1/4 IS3000 Normally Closed, Normally Open NPT -5°C +60°C IP40
RS Stock No. 792-7898
Mfr. Part No.ZSE30A-01-N-L
BrandSMC
MYR472.87
Each
units
0kPa 101 kPa, 500 kPa Vacuum Air, Non Corrosive Gas, Non Flammable Gas R 1/8 NPN Open Collector 12 → 24V dc 1/8 in ZSE - R 0°C +50°C IP40
RS Stock No. 366-3985
Mfr. Part No.0880300
BrandNorgren
MYR738.40
Each
units
0.5bar 8 bar Positive Pressure Gas G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G -10°C +80°C IP65
RS Stock No. 246-2422
Mfr. Part No.PS1000-R06L-Q
BrandSMC
MYR485.33
Each
units
- 1 MPa Positive Pressure Air, Non Corrosive Gas - Solid State 12 → 24V dc - PS1000 - - 0°C +60°C IP40
RS Stock No. 246-2416
Mfr. Part No.IS3000-02
BrandSMC
MYR478.39
Each
units
- 0.8 MPa Positive Pressure Air, Gas Rc 1/4 - 30 V dc, 125 V ac, 125 V dc, 250 V ac 1/4 in IS3000 Normally Closed, Normally Open Rc -5°C +60°C -
RS Stock No. 721-3818
Mfr. Part No.ISE30A-01-F-G
BrandSMC
MYR529.73
Each
units
- 1.5 MPa - - - - - M5 x 0.8, 1/8 in - - Metric, R - - -
RS Stock No. 792-7924
Mfr. Part No.ZSE30AF-01-N
BrandSMC
MYR425.98
Each
units
-100kPa 100 kPa, 500 kPa Compound Pressure Air, Non Corrosive Gas, Non Flammable Gas R 1/8 NPN Open Collector 12 → 24V dc 1/8 in ZSE - R 0°C +50°C IP40
RS Stock No. 906-9626
Mfr. Part No.MS-111-LCD
MYR778.22
Each
units
- 6.89 kPa Differential Air, Gas, Non Combustible NPS 1/2 in Pressure Transmitter 10 → 36V dc 1/2 in MS - NPS -18°C +66°C IP65
RS Stock No. 363-5968
BrandRS PRO
MYR324.13
Each
units
1bar 10 bar Positive Pressure - G 1/4 Adjustable 250V ac/dc 1/4 in K3 Normally Closed, Normally Open G -20°C +80°C IP65
RS Stock No. 721-3815
Mfr. Part No.ISE30A-01-B-G
BrandSMC
MYR501.17
Each
units
- 1.5 MPa - - - - - M5 x 0.8, 1/8 in - - Metric, R - - -
RS Stock No. 847-7039
Mfr. Part No.ZS-38-4L
BrandSMC
MYR67.64
Each
units
- - - - - - - - ZS - - - - -
RS Stock No. 880-2289
BrandRS PRO
MYR576.27
Each
units
1bar 12 bar - Fluid 1/4 in BSP Male Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65
RS Stock No. 513-5151
Mfr. Part No.6442-0014
BrandHerga
MYR430.43
Each
units
- - - - - - - - 6442 - - - - -
RS Stock No. 297-0046
BrandRS PRO
MYR206.22
Each
units
0.2bar 2.5 bar Positive Pressure - G 1/4 Adjustable 250V ac 1/4 in F4 Normally Closed, Normally Open G -25°C +85°C IP65