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. 124-2133
Mfr. Part No.XMLP001GL71F
SGD189.06
Each
units
0 → 1bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 24 V dc 0bar 1bar G1/4 0 → 10 V Cable -30°C +85°C ±0.1 (Repeat) %, ±0.5 (Measurement) % ≤2 ms
RS Stock No. 124-2141
Mfr. Part No.XMLP2D5GD71F
SGD155.98
Each
units
0 → 2.5bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 24 V dc 0bar 2.5bar G1/4 0 → 10 V M12 4-Pin Connector -30°C +85°C ±0.1 (Repeat) %, ±0.5 (Measurement) % ≤2 ms
RS Stock No. 835-2839
Mfr. Part No.XMLR010G1N25
SGD493.48
Each
units
0 → 10bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid 1 x NPN, 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
RS Stock No. 124-2177
Mfr. Part No.XMPC06C2941S701
SGD85.83
Each
units
- Differential - 3 N/C - 1bar 6bar G1/4 - Screw Terminals -30°C +70°C ±0.5 % -
RS Stock No. 835-2851
Mfr. Part No.XMLR250M1N25
SGD550.24
Each
units
0 → 250bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid 1 x NPN, Analogue 24 V dc 0bar 250bar G1/4 4 → 20 mA M12 Connector -20°C +80°C ≤0.1 % ≤10 (Analogue) ms, ≤5 (Discrete) ms
RS Stock No. 779-4288
Mfr. Part No.PS71-50-4MGS-C-HC
SGD128.69
Each
units
1000 → 3000psi - Air, Hydraulic SPDT 125/250 V 1000psi 3000psi BSP 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 779-4276
Mfr. Part No.PS71-30-4MGS-C-HC
SGD128.69
Each
units
65 → 300psi - Air, Hydraulic SPDT 125/250 V 65psi 300psi BSP 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 124-2130
Mfr. Part No.XMLA070D2C11
SGD286.40
Each
units
2 → 62.5 (Falling) bar, 5 → 70 (Rising) bar Differential Hydraulic Oil 1CO 240 V ac, 250 V dc 2 (Falling) bar, 5 (Rising) bar 62.5 (Falling) bar, 70 (Rising) bar G1/4 - DIN43650 Male 4-Pin Connector -25°C +70°C <2 (Repeat) % -
RS Stock No. 835-2832
Mfr. Part No.XMLR001G0T26
SGD468.01
Each
units
0 → 1bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue 24 V dc 0bar 1bar NPT 1/4 4 → 20 mA M12 Connector -20°C +80°C ≤0.1 % ≤10 ms
RS Stock No. 124-2170
Mfr. Part No.XMPA12B2131C
SGD50.34
Each
units
0.3 → 10.3 (Falling) bar, 1.3 → 12 (Rising) bar Differential Air, Fresh Water, Sea Water 2NC - 0.3 (Falling) bar, 1.3 (Rising) bar 10.3 (Falling) bar, 12 (Rising) bar G1/4 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS Stock No. 779-4285
Mfr. Part No.PS71-40-4MGS-C-HC
SGD128.69
Each
units
250 → 1000psi - Air, Hydraulic SPDT 125/250 V 250psi 1000psi BSP 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 820-7035
Mfr. Part No.6742-0052
BrandHerga
SGD79.64
Each
units
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 Stock No. 779-4250
Mfr. Part No.212344-RS
SGD84.83
Each
units
25 → 75psi - Air, Hydraulic SPDT 125/250 V 25psi 75psi NPT 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 820-7026
Mfr. Part No.6742-0051
BrandHerga
SGD83.84
Each
units
45 → 75psi - Air, Gas, Liquid, Oil SPCO 220 V dc, 250 V ac 45psi 75psi BSP 1/8 - Spade Terminal -5°C +70°C ±10 % -
RS Stock No. 779-4232
Mfr. Part No.PS61-40-4MGZ-B-SP
SGD39.54
Each
units
150 → 500psi - Hydraulic SPST-NC 42 V dc 150psi 500psi BSP 1/4 - Spade Terminal -9°C +110°C - -
RS Stock No. 835-2867
Mfr. Part No.XMLR250M2P05
SGD406.12
Each
units
0 → 250bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid 2x PNP-NO/NC 24 V dc 0bar 250bar G1/4 - M12 Connector -20°C +80°C ≤0.1 % ≤5 ms
RS Stock No. 779-4266
Mfr. Part No.PS71-50-4MGZ-C-HC
SGD84.83
Each
units
1000 → 3000psi - Air, Hydraulic SPDT 125/250 V 1000psi 30000psi NPT 1/4 - Screw Terminals -9°C +85°C - -
RS Stock No. 123-6133
Mfr. Part No.251232
SGD50.08
Each
units
35 → 85bar - Liquid SPST-NO - 35bar 85bar BSP 1/4 - 1/4 x 1/32 Spade Terminal -40°C +121°C ±2.1 bar -
RS Stock No. 123-6132
Mfr. Part No.251860
SGD81.22
Each
units
0.7 → 4.1bar - Gas, Liquid SPST-NC - 0.7bar 4.1bar BSP 1/4 - 1/4 x 1/32 Spade Terminal -40°C +121°C ±0.1 bar -
RS Stock No. 146-2941
Mfr. Part No.XMLPM00GL71F
SGD190.96
Each
units
-1 → 0bar Differential Air, Fresh Water, Gas, Hydraulic Oil Analogue 24 V dc -1bar 0bar - 0 → 10 V Cable -30°C +85°C 0.1 % ≤2 ms
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