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. 366-3985
Mfr. Part No.0880300
BrandNorgren
$285.02
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. 366-3963
Mfr. Part No.0880100
BrandNorgren
$214.12
Each
units
-1bar 0 bar Positive Pressure Gas, Liquid G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G 0°C +80°C IP65
RS Stock No. 622-3647
Mfr. Part No.0882180
BrandNorgren
$295.33
Each
units
5bar 70 bar Positive Pressure, Vacuum Fluid G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G 0°C +80°C IP65
RS Stock No. 777-069
Mfr. Part No.04015600
BrandNorgren
$426.23
Each
units
0bar 10 bar Positive Pressure Air, Gas G 1/8 - 24 V dc, 240 V ac 1/8 in 040 Normally Closed, Normally Open G -20°C +80°C IP65
RS Stock No. 289-5507
Mfr. Part No.M/58024/VB
BrandNorgren
$160.80
Each
units
-1bar -0.2 bar Vacuum Air G 1/8 - 250V ac/dc 1/8 in M/58024 Normally Open G -20°C +80°C IP55
RS Stock No. 407-6089
Mfr. Part No.0882300
BrandNorgren
$234.21
Each
units
25bar 250 bar Positive Pressure Fluid, Oil G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G -20°C +80°C IP65
RS Stock No. 366-3979
Mfr. Part No.0880200
BrandNorgren
$157.09
Each
units
0.2bar 2 bar Positive Pressure Gas, Liquid G 1/4 - - 1/4 in 18D Normally Closed, Normally Open G 0°C +80°C IP65
RS Stock No. 407-6095
Mfr. Part No.0883300
BrandNorgren
$158.64
Each
units
25bar 250 bar Positive Pressure Fluid, Oil - - - - 18D Normally Closed, Normally Open - -20°C +80°C IP65
RS Stock No. 535-2299
Mfr. Part No.0862442000000000RS
BrandNorgren
$448.48
Each
units
0bar 10 bar Positive Pressure Air, Gas G 1/8 - 10.8 → 30V dc 1/8 in 40D - G 0°C +50°C IP65
RS Stock No. 398-411
Mfr. Part No.0860130000000000
BrandNorgren
$273.73
Each
units
0bar 16 bar Vacuum Fluid, Gas G 1/4 - 18 → 32V dc 1/4 in 33 L Normally Closed, Normally Open G -20°C +80°C IP65