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 835-2851
製造零件編號XMLR250M1N25
HK$3,656.58
單位
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庫存編號 835-2867
製造零件編號XMLR250M2P05
HK$2,631.62
單位
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庫存編號 124-2167
製造零件編號XMPA06C2131C
HK$328.63
單位
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 G1/4 - Screw Clamp -25°C +70°C <3.5 (Repeat) % -
RS庫存編號 177-8862
製造零件編號XMLP004GD21F
HK$1,003.74
單位
0 → 4bar - Air, Fresh Water, Gas, Hydraulic Oil Analogue 12 → 24 V dc 0bar 4bar - 4 → 20 mA 4 Pin Male Connector M12 -30°C +85°C ±0.5 % <=2 ms
RS庫存編號 124-2168
製造零件編號XMPA06C2242
HK$790.15
單位
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庫存編號 135-3778
製造零件編號XMLRM01G1P25
HK$3,357.63
單位
-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庫存編號 135-3788
製造零件編號XMXA06L2135
HK$654.44
單位
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庫存編號 176-7889
製造零件編號XMLP100BD11F
HK$1,013.16
單位
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 ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 146-2947
製造零件編號XMLRM01G0T25
HK$3,247.80
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 124-2177
製造零件編號XMPC06C2941S701
HK$557.27
單位
- Differential - 3 N/C - 1bar 6bar G1/4 - Screw Terminals -30°C +70°C ±0.5 % -
RS庫存編號 176-7866
製造零件編號XMLP025BC290
HK$1,056.61
單位
0 → 25bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 25bar 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庫存編號 124-2169
製造零件編號XMPA06C2374N
HK$450.09
單位
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庫存編號 176-7862
製造零件編號XMLP016BD270
HK$1,056.61
單位
0 → 16bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 16bar 7/16 - 20 UNF SAE 4 → 20 mA 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 176-7885
製造零件編號XMLP060BD21F
HK$1,064.45
單位
0 → 60bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 60bar - 4 → 20 mA 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 176-7939
製造零件編號XMLPM09BD290
HK$1,497.89
單位
-1 → 9bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc -1bar 9bar 7/16 - 20 UNF SAE 4 → 20 mA 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 135-3779
製造零件編號XMLRM01G2P05
HK$3,028.00
單位
-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庫存編號 177-8863
製造零件編號XMLP2D5GD21F
HK$1,003.74
單位
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庫存編號 162-2091
製造零件編號XMLP600BD21F
HK$984.19
單位
0 → 600bar Differential Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 600bar - 4 → 20 mA 4-Pin Male Connector -30°C +85°C ±0.5 % 2 ms
RS庫存編號 176-7867
製造零件編號XMLP025BD11F
HK$1,013.16
單位
0 → 25bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 5 V dc 0bar 25bar - 0.5 → 4.5 V 4 Pin M12 Male Connector -30°C +85°C ±0.5 (Measurement) %, 0.1 % 2 ms
RS庫存編號 176-7850
製造零件編號XMLP010BC290
HK$1,056.61
單位
0 → 10bar - Air, Fresh Water, Gas, Hydraulic Oil, Refrigeration Fluid Analogue 12 → 24 V dc 0bar 10bar 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