Pressure Switches

Pressure switches work by forming an electrical contact when its input is subjected to a certain amount of fluid or air pressure.

How They Work
Pressure switches can activate with either rising or falling fluid pressure, so are essential components in any pressurized fluid system where automatic supervision is required.

Uses for pressure switches
Pressure switches are used in a variety of systems. For example, a pneumatic pressure switch would be used to automatically switch off an electric air compressor when the desired pressure had been achieved in, for instance, a car tire. Hydraulic pressure switches have a number of applications in the automotive industry, such as measuring oil levels.

Media
The RS Range of Pressure Switches can accommodate the measuring of a variety of media, such as air and gas for pneumatic applications, and everything from oil to sea water in fluid applications.

Pressure Switch Types
There are four key variations of pressure switch available in the RS range.
• Relative or Gauge Pressure Switches are calibrated for a variety of different purposes, and measure pressure relative to a given value.
• Differential Pressure Switches are commonly used for sensing a difference in pressure between two points in a system
• Vacuum Pressure Switches provide electrical feedback to measure a rise or fall of pressure in a system.

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Description Price Pressure Range Pressure Reading Type Media Measured Output Type Supply Voltage Minimum Pressure Reading Maximum Pressure Reading Process Connection Analogue Output Electrical Connection Minimum Operating Temperature Maximum Operating Temperature Accuracy Response Time
RS庫存編號 748-4723
製造零件編號ZSE40AF-01-R
BrandSMC
TWD5,124.00
單位
-100 → 100kPa Vacuum Gas Analogue 12 → 24 V dc -100kPa 100kPa BSP 1/8 1 → 5 V, 4 → 20 mA Wire Lead -5°C +50°C ±0.2 % 2.5 ms
RS庫存編號 124-2127
製造零件編號9013FSG2J21M4
BrandSquare D
TWD1,546.00
單位
15 → 30 (Approximate) psi, 20 → 65 (Rising) psi Differential Fresh Water 2NC - 15 (Approximate) psi, 20 (Rising) psi 30 (Approximate) psi, 65 (Rising) psi 0.25 in NPSF - Screw Clamp -33°F +257°F ±3 (Repeat) % -
RS庫存編號 821-3683
製造零件編號83298-00000100-01
BrandHoneywell
TWD926.00
單位
10 → 35psi Vacuum Air, Fuel, Oil SPST-NO 6 → 24 V dc 10psi 35psi NPT 1/8 - Screw Terminals -40°F +250°F - -
RS庫存編號 124-2160
製造零件編號XMLR400M1P25
TWD13,895.00
單位
20 → 388 (Falling) bar, 32 → 400 (Rising) bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue, PNP-NO/NC 24 V dc 20 (Falling) bar, 32 (Rising) bar 388 (Falling) bar, 400 (Rising) bar G1/4 4 → 20 mA M12 4-Pin Connector -20°C +80°C ≤0.2 (Repeat) %, ≤0.6 (Output) %, ≤1 (Overall) % ≤10 (Analogue) ms, ≤5 (Discrete) ms
RS庫存編號 748-4717
製造零件編號ISE40A-01-R
BrandSMC
TWD3,961.00
單位
-0.1 → 1MPa Vacuum Gas Analogue 12 → 24 V dc -0.1MPa 1MPa BSP 1/8 1 → 5 V, 4 → 20 mA Wire Lead -5°C +50°C ±0.2 % 2.5 ms
RS庫存編號 124-2126
製造零件編號9013FSG2J21
BrandSquare D
TWD1,173.00
單位
15 → 30 (Approximate) psi, 20 → 65 (Rising) psi Differential Fresh Water 2NC - 15 (Approximate) psi, 20 (Rising) psi 30 (Approximate) psi, 65 (Rising) psi 0.25 in NPSF - Screw Clamp -33°F +257°F ±3 (Repeat) % -
RS庫存編號 821-3689
製造零件編號83282-00000100-05
BrandHoneywell
TWD1,128.00
單位
- - - - - - - - - - - - - -
RS庫存編號 124-2128
製造零件編號9013FSG2J24
BrandSquare D
TWD1,184.00
單位
15 → 30 (Approximate) psi, 20 → 65 (Rising) psi Differential Fresh Water 2NC - 15 (Approximate) psi, 20 (Rising) psi 30 (Approximate) psi, 65 (Rising) psi 0.25 in NPSF - Screw Clamp -33°F +257°F ±3 (Repeat) % -
RS庫存編號 748-4720
製造零件編號ZSE40AF-01-T
BrandSMC
TWD5,124.00
單位
-100 → 100kPa Vacuum Gas Analogue 12 → 24 V dc -100kPa 100kPa BSP 1/8 1 → 5 V, 4 → 20 mA Wire Lead -5°C +50°C ±0.2 % 2.5 ms
RS庫存編號 779-4200
製造零件編號PS61-10-4MGZ-A-SP
TWD1,043.00
單位
15 → 60psi - Hydraulic SPST-NO 42 V dc 15psi 60psi BSP 1/4 - Spade Terminal -9°C +110°C - -
RS庫存編號 820-7035
製造零件編號6742-0052
BrandHerga
TWD2,205.00
單位
60 → 120psi - Air, Gas, Liquid, Oil SPCO 220 V dc, 250 V ac 60psi 120psi BSP 1/8 - Spade Terminal -5°C +70°C ±10 % -
RS庫存編號 124-2121
製造零件編號9012GAW6
TWD10,326.00
單位
5 → 250 (Decreasing) psi, 10 → 49 (Differential) psi Differential Air, Hydraulic Oil, Non-Corrosive Gas, Non-Corrosive Liquids SPDT-NO/NC 240 V ac, 250 V dc 5 (Decreasing) psi, 10 (Differential) psi 49 (Differential) psi, 250 (Decreasing) psi 0.25 in NPTF - 0.5 in NPT -10°F +185°F <4 (Repeat) % -
RS庫存編號 123-6136
製造零件編號251235
TWD1,097.00
單位
55 → 135bar - Liquid SPST-NC - 55bar 135bar BSP 1/4 - 1/4 x 1/32 Spade Terminal -40°C +121°C ±3.3 bar -
RS庫存編號 176-7908
製造零件編號XMLP200PP230
TWD5,647.00
單位
0 → 200psi - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0psi 200psi - 4 → 20 mA 3 Pin Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 176-7909
製造零件編號XMLP200PP730
TWD5,647.00
單位
0 → 200psi - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 24 V dc 0psi 200psi - 0 → 10 V 3 Pin Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 135-3728
製造零件編號XMLA004C2S11
TWD8,875.00
單位
0 → 4bar - Corrosive Fluid 1 C/O 240 V ac, 250 V dc 0bar 4bar - - PG 13.5 -13°C +158°C 2 % -
RS庫存編號 146-2947
製造零件編號XMLRM01G0T25
TWD12,831.00
單位
-1 → 0bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue 24 V dc -1bar 0bar - 4 → 20 mA 4-Pin M12 Male Connector -20°C +80°C ≤1 % ≤10 ms
RS庫存編號 123-6137
製造零件編號251236
TWD1,097.00
單位
125 → 215bar - Liquid SPST-NO - 125bar 215bar BSP 1/4 - 1/4 x 1/32 Spade Terminal -40°C +121°C ±7.6 bar -
RS庫存編號 135-3729
製造零件編號XMLA010A2S13
TWD5,430.00
單位
0 → 10bar - Air, Fresh Water, Hydraulic Oil, Sea Water 1 C/O 240 V ac, 250 V dc 0bar 10bar - - 1/2 in 14 NPT -13°C +158°C 2 % -
RS庫存編號 752-2431
製造零件編號9012GBW1
BrandSquare D
TWD10,483.00
單位
16 → 90psi Differential Gas, Liquid Level - 600 V 16psi 90psi NPT 1/4 - 12" NPT -40°C +120°C ±0.1 → 1 % -