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. 835-2851
Mfr. Part No.XMLR250M1N25
HK$3,656.58
Each
units
0 → 250bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue, 1 x NPN 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. 835-2867
Mfr. Part No.XMLR250M2P05
HK$2,631.62
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. 835-2860
Mfr. Part No.XMLR250M1P25
HK$3,473.75
Each
units
0 → 250bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue, 1 x PNP 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. 124-2168
Mfr. Part No.XMPA06C2242
HK$790.15
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 G3/8 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS Stock No. 135-3778
Mfr. Part No.XMLRM01G1P25
HK$3,357.63
Each
units
-1 → 0bar - Air, Fresh Water, Hydraulic Oil, Refrigeration Fluid Analogue, Solid State PNP 24 V dc -1bar 0bar - 4 → 20 mA M12 4/5-Pin Connector -20°C +80°C ±1 % 10 ms
RS Stock No. 176-7856
Mfr. Part No.XMLP016BC11F
HK$1,013.16
Each
units
0 → 16bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 16bar - 0.5 → 4.5 V EN 175301-803-A 3 Pin Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 124-2169
Mfr. Part No.XMPA06C2374N
HK$450.09
Each
units
1 → 6 (Rising)bar Differential Air, Fresh Water, Sea Water 3NC - 1 (Rising)bar 6 (Rising)bar G1/2 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS Stock No. 135-3779
Mfr. Part No.XMLRM01G2P05
HK$3,028.00
Each
units
-1 → 0bar - Air, Fresh Water, Hydraulic Oil, Refrigeration Fluid 2x PNP-NO/NC 24 V dc -1bar 0bar - - M12 4/5-Pin Connector -20°C +80°C ±1 % <10 ms
RS Stock No. 177-8863
Mfr. Part No.XMLP2D5GD21F
HK$1,003.74
Each
units
0 → 2.5bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 12 → 24 V dc 0bar 2.5bar - 4 → 20 mA 4 Pin Male Connector M12 -30°C +85°C ±0.5 % <=2 ms
RS Stock No. 135-3788
Mfr. Part No.XMXA06L2135
HK$654.44
Each
units
1 → 6bar - Air, Fresh Water, Sea Water 1 C/O 240 V ac, 250 V dc 1bar 6bar - - Screw Clamp -25°C +70°C 3.5 % -
RS Stock No. 176-7881
Mfr. Part No.XMLP060BC21F
HK$1,064.45
Each
units
0 → 60bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 60bar - 4 → 20 mA EN 175301-803-A 3 Pin Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 124-2178
Mfr. Part No.XMPC12C2941S702
HK$1,115.03
Each
units
- Differential - 3 N/C - 1.3bar 12bar G1/4 - Screw Terminals -30°C +70°C ±0.5 % -
RS Stock No. 176-7852
Mfr. Part No.XMLP010BD190
HK$1,056.61
Each
units
0 → 10bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 10bar 7/16 - 20 UNF SAE 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 176-7876
Mfr. Part No.XMLP040BD190
HK$1,056.61
Each
units
0 → 40bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 40bar 7/16 - 20 UNF SAE 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 135-3733
Mfr. Part No.XMLA035A2C11
HK$1,548.46
Each
units
0 → 35bar - Air, Fresh Water, Hydraulic Oil, Sea Water 1 C/O 240 V ac, 250 V dc 0bar 35bar - - DIN 43650A 4-Pin Male Connector -13°C +158°C 2 % -
RS Stock No. 176-7926
Mfr. Part No.XMLP600BD11F
HK$1,013.16
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 ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 135-3740
Mfr. Part No.XMLB010A2C11
HK$2,109.47
Each
units
0 → 10bar - Air, Fresh Water, Hydraulic Oil, Sea Water 1 C/O 240 V ac, 250 V dc 0bar 10bar - - DIN 43650A 4-Pin Male Connector -13°C +158°C 2 % -
RS Stock No. 835-2848
Mfr. Part No.XMLR010G1P25
HK$3,316.39
Each
units
0 → 10bar Differential Air, Fresh Water, Hydraulic Oil, Refrigerator Fluid Analogue, 1 x PNP 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. 176-7874
Mfr. Part No.XMLP040BC290
HK$1,056.61
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 EN 175301-803-A 3 Pin Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS Stock No. 162-2086
Mfr. Part No.XMLP1K0PD230
HK$1,408.21
Each
units
0 → 1000psi Differential Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0psi 1000psi - 4 → 20 mA 4-Pin Male Connector -30°C +85°C ±0.5 % 2 ms