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 Stock No. 177-8872
Mfr. Part No.XMLP2D5GC11F
SGD194.89
Each
units
0 → 2.5bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 5 V dc 0bar 2.5bar - 0.5 → 4.5 V 3 Pin Male Connector -30°C +85°C ±0.5 % <=2 ms
RS Stock No. 124-2175
Mfr. Part No.XMPA12C2242
SGD131.23
Each
units
0.3 → 10.3 (Falling) bar, 1.3 → 12 (Rising) bar Differential Air, Fresh Water, Sea Water 3NC - 0.3 (Falling) bar, 1.3 (Rising) bar 10.3 (Falling) bar, 12 (Rising) bar G3/8 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS Stock No. 177-8878
Mfr. Part No.XMLPM00GC21F
SGD195.34
Each
units
-1 → 0bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 12 → 24 V dc -1bar 0bar - 4 → 20 mA 3 Pin Male Connector -30°C +85°C ±0.5 % <=2 ms
RS Stock No. 176-7889
Mfr. Part No.XMLP100BD11F
SGD177.96
Each
units
0 → 100bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 100bar - 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C 0.1 %, ±0.5 (Measurement) % 2 ms
RS Stock No. 162-2084
Mfr. Part No.XMLP100PD230
SGD247.33
Each
units
0 → 100psi Differential Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0psi 100psi - 4 → 20 mA 4-Pin Male Connector -30°C +85°C ±0.5 % 2 ms
RS Stock No. 176-7879
Mfr. Part No.XMLP040BD290
SGD185.58
Each
units
0 → 40bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 40bar 7/16 - 20 UNF SAE 4 → 20 mA 4 Pin M12 Male Connector -30°C +85°C 0.1 %, ±0.5 (Measurement) % 2 ms
RS Stock No. 135-3766
Mfr. Part No.XMLK100P2D23
SGD186.28
Each
units
0 → 100psi - Air, Fresh Water Analogue 24 V dc 0psi 100psi - 4 → 20 mA M12 3-Pin Connector 0°C +80°C ±0.3 % 2 ms
RS Stock No. 176-7926
Mfr. Part No.XMLP600BD11F
SGD177.96
Each
units
0 → 600bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 600bar - 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C 0.1 %, ±0.5 (Measurement) % 2 ms
RS Stock No. 162-2080
Mfr. Part No.XMLP025BC21F
SGD190.85
Each
units
0 → 25bar Differential Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 25bar - 4 → 20 mA 3-Pin Male Connector -30°C +85°C ±0.5 % 2 ms
RS Stock No. 176-7910
Mfr. Part No.XMLP250BC11F
SGD177.96
Each
units
0 → 250bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 250bar - 0.5 → 4.5 V EN 175301-803-A 3 Pin Male Connector -30°C +85°C 0.1 %, ±0.5 (Measurement) % 2 ms
RS Stock No. 146-2924
Mfr. Part No.XMLP004GC71F
SGD190.96
Each
units
0 → 4bar Differential Air, Fresh Water, Gas, Hydraulic Oil Analogue 24 V dc 0bar 4bar - 0 → 10 V 3-Pin DIN 43650 Male Connector -30°C +85°C 0.1 % ≤2 ms
RS Stock No. 176-7851
Mfr. Part No.XMLP010BD11F
SGD181.51
Each
units
0 → 10bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 10bar - 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C 0.1 %, ±0.5 (Measurement) % 2 ms
RS Stock No. 779-4263
Mfr. Part No.PS71-40-4MGZ-C-HC
SGD84.83
Each
units
250 → 1000psi - Air, Hydraulic SPDT 125/250 V 250psi 1000psi NPT 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 135-3775
Mfr. Part No.XMLR010G1P75
SGD602.05
Each
units
0 → 10bar - Air, Fresh Water, Hydraulic Oil, Refrigeration Fluid Analogue, Solid State PNP 24 V dc 0bar 10bar - 1 → 10 V M12 4/5-Pin Connector -20°C +80°C ±1 % 10 ms
RS Stock No. 176-7942
Mfr. Part No.XMLPM3CPD290
SGD257.24
Each
units
-14.5 → 300psi - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc -14.5psi 300psi 7/16 - 20 UNF SAE 4 → 20 mA 4 Pin M12 Male Connector -30°C +100°C ±0.5 (Measurement) % <5 ms
RS Stock No. 135-3746
Mfr. Part No.XMLC010B2S11
SGD630.15
Each
units
0 → 10bar - Air, Fresh Water, Hydraulic Oil, Sea Water 2 C/O 240 V ac, 250 V dc 0bar 10bar - - PG 13.5 -13°C +158°C 2 % -
RS Stock No. 135-3786
Mfr. Part No.XMPR12C2433
SGD70.63
Each
units
1.3 → 12bar - Air, Fresh Water, Sea Water 3PST-NC 230 V ac, 400 V ac 1.3bar 12bar - - Screw Clamp -25°C +70°C 3.5 % -
RS Stock No. 124-2176
Mfr. Part No.XMPC06C2374
SGD85.04
Each
units
0.2 → 4.8 (Falling) bar, 1 → 6 (Rising) bar Differential Air, Fresh Water, Sea Water 3NC - 0.2 (Falling) bar, 1 (Rising) bar 4.8 (Falling) bar, 6 (Rising) bar G1/2 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS Stock No. 124-2160
Mfr. Part No.XMLR400M1P25
SGD630.63
Each
units
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 Stock No. 835-2848
Mfr. Part No.XMLR010G1P25
SGD552.93
Each
units
0 → 10bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid 1 x PNP, Analogue 24 V dc 0bar 10bar G1/4 4 → 20 mA M12 Connector -20°C +80°C ≤0.1 % ≤10 (Analogue) ms, ≤5 (Discrete) ms
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