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庫存編號 701-3551
製造零件編號ZSE80F-F02-B
BrandSMC
HK$2,491.48
單位
-100kPa 100 kPa Compound Pressure Fluid G 1/4 Reed 12 24V dc 1/4 in ZSE80 - G 0°C +50°C IP65
RS庫存編號 389-6006
製造零件編號PS1-P1091
BrandParker
HK$682.09
單位
2bar 5 bar Positive Pressure - - - 250V - PS1 Normally Closed, Normally Open - -15°C +60°C -
RS庫存編號 535-2299
製造零件編號0862442000000000RS
BrandNorgren
HK$3,523.00
單位
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庫存編號 743-6605
製造零件編號ISE30A-01-P
BrandSMC
HK$737.52
單位
-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庫存編號 289-5507
製造零件編號M/58024/VB
BrandNorgren
HK$670.50
單位
-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庫存編號 363-6006
BrandRS PRO
HK$622.41
單位
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庫存編號 743-6611
製造零件編號ISE40A-M5-T
BrandSMC
HK$1,280.00
單位
-0.1MPa 1 MPa Positive Pressure Air, Gas M5 x 0.8 Reed 12 → 24V dc M5 x 0.8 ISE40A - Metric -5°C +50°C IP65
RS庫存編號 289-5513
製造零件編號M/58024/VF
HK$670.50
單位
-1bar -0.2 bar Vacuum Air G 1/8 - 250V ac/dc 1/8 in M/58024 Normally Closed G -20°C +80°C IP55
RS庫存編號 847-7023
製造零件編號ZS-33-J
BrandSMC
HK$221.38
單位
- - - - - - - - ZS - - - - -
RS庫存編號 740-6405
製造零件編號IS10-01S-6L
BrandSMC
HK$771.49
單位
- 0.7 MPa Positive Pressure Air, Gas Rc 1/8 Reed 24 V, 48 V, 100 V 1/8 in IS10 Normally Open Rc -5°C +60°C IP40
RS庫存編號 743-6598
製造零件編號ZSE40A-01-T
BrandSMC
HK$1,627.78
單位
-101.3kPa 0 kPa Vacuum Air, Gas R 1/8 Reed 12 24V dc 1/8 in ZSE40A(F) - R -5°C +50°C IP65
RS庫存編號 513-5151
製造零件編號6442-0014
BrandHerga
HK$738.22
單位
- - - - - - - - 6442 - - - - -
RS庫存編號 135-3727
製造零件編號XMLA004A2C11
HK$1,552.08
單位
- - - - - - - - - - - - - -
RS庫存編號 366-3985
製造零件編號0880300
BrandNorgren
HK$1,181.98
單位
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庫存編號 175-4526
製造零件編號VPEV-W-KL-LED-GH
BrandFesto
HK$707.22
單位
-1bar 0 bar Relative Pressure Air M5 Vacuum Switch 10 30V M5 VPEV SPDT Metric 0°C +60°C IP20
RS庫存編號 743-6614
製造零件編號ZSE30AF-C6L-P-L
BrandSMC
HK$867.97
單位
-100kPa 100 kPa Compound Pressure Air, Gas - - 12 24V dc - ZSE30A(F) - - 0°C +50°C IP40
RS庫存編號 826-8730
製造零件編號ZSE2-T1-15
BrandSMC
HK$982.24
單位
-101kPa 0 kPa Vacuum Air, Non Corrosive Gas, Non Flammable Gas NPTF 1/8 NPN Open Collector 12 24V dc 1/8 in ZSE2 - NPTF 0°C +60°C IP40
RS庫存編號 100-0678
製造零件編號PAC50-DCD
BrandSick
HK$1,316.68
單位
0bar 10 bar Positive Pressure Air G 1/4 Female, M12 4-Pin, 4 mm Pneumatic Hose - 17 30V dc M12, 1/4 in PAC50 Normally Closed, Normally Open G, Metric 0°C +60°C IP65, IP67
RS庫存編號 135-3731
製造零件編號XMLA020A2C11
HK$1,613.04
單位
- - - - - - - - - - - - - -
RS庫存編號 906-9623
製造零件編號MS-321-LCD
HK$1,334.70
單位
- 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