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. 297-0052
BrandRS PRO
$105.83
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. 297-0074
BrandRS PRO
$71.45
Each
units
10bar 100 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. 297-0046
BrandRS PRO
$66.21
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
RS Stock No. 296-9995
BrandRS PRO
$250.91
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. 297-0068
BrandRS PRO
$71.45
Each
units
5bar 50 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. 317-061
BrandRS PRO
$22.19
Each
units
- - - - - - - - 6470 - - - - -
RS Stock No. 363-5968
BrandRS PRO
$110.83
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. 317-730
BrandRS PRO
$37.78
Each
units
- - - - - - - - 6442 - - - - -
RS Stock No. 317-055
BrandRS PRO
$21.75
Each
units
- - - - - - - - 6470 - - - - -
RS Stock No. 297-0080
BrandRS PRO
$71.45
Each
units
20bar 200 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. 297-0002
BrandRS PRO
$250.91
Each
units
20bar 200 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. 880-2289
BrandRS PRO
$185.01
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. 296-9989
BrandRS PRO
$250.91
Each
units
2bar 40 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. 363-6006
BrandRS PRO
$116.51
Each
units
0bar 250 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. 297-0018
BrandRS PRO
$250.91
Each
units
30bar 300 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. 363-5980
BrandRS PRO
$116.51
Each
units
5bar 50 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. 136-6275
BrandRS PRO
$191.25
Each
units
0.2bar 2 bar Electro-Mechanical Gas, Liquid M12 x 1 - 30V M12 x 1 - - NPT 0°C +85°C IP67
RS Stock No. 297-0030
BrandRS PRO
$250.91
Each
units
50bar 400 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. 136-6273
BrandRS PRO
$110.40
Each
units
1bar 16 bar Electro-Mechanical Compressed Air, Gas, Pneumatic M12 x 1 - 30V M12 x 1 - - NPT -10°C +85°C IP67
RS Stock No. 136-6270
BrandRS PRO
$112.60
Each
units
0.2bar 4 bar Electro-Mechanical Compressed Air, Gas, Pneumatic NPT 1/4 - - 1/4 - - NPT -10°C +85°C IP65
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