• RS Stock No. 297-0052
  • Brand RS Pro
  • Mfr. Part No. F4S1/00/M2
RS Pro
RS Pro Pressure Switch, G 1/4 1bar to 12 bar
Product Details

F4 Series

Zinc plated, carbon steel adjustable pressure switches from RS. Available for both hydraulic and pneumatic applications, pressure switches supply an electrical signal once the system has reached a designated pressure. The switching pressure can be adjusted to suit various set points simply by rotating a screw in the centre of the pressure switch

Features & Benefits

Fitted with a mechanical stop to prevent damage from over pressurisation
Can be mounted in any orientation
90 Cycles/min switching frequency
Long mechanical life (10^6 cycles at 70bar)
0.5A maximum load (at 250 VAC)
Accuracy 4% of set pressure
Fixed Hysteresis 10-25% (Dependent upon version)
DIN 43650 Electrical connection

Product Application Information

These pressure switches are suitable for use in a diverse range of applications. These applications include machine building, ship building, measurement and control technology, hydraulics and pneumatics, pumps and compressors


297-0052 does not include a mechanical stop and requires a 2mm allen key in order to adjust




Pressure Switches

Pressure switches that allow microswitch operation once a pre-set pressure is reached. K and K3 Series incorporate a mechanical stop providing over-pressure protection for the spring and microswitch. Electrical connections for all models to DIN 43650.

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Minimum Operating Pressure1bar
Maximum Operating Pressure12 bar
Pressure TypePositive Pressure
ConnectionG 1/4
Voltage Rating250V ac
Connection Thread Size1/4 in
Manufacturer SeriesF4
Contact OperationNormally Closed, Normally Open
Connection Thread StandardG
Minimum Operating Temperature-25°C
Maximum Operating Temperature+85°C
IP RatingIP65
Minimum Pressure Setting0bar
LED IndicatorNo
Output TypeNO/NC
Pressure Setting Range0 → 25bar
Maximum Pressure Setting25bar
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Customer reviews
Average customer rating  ( 2 Customer reviews )

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Poor reliability - you actually need a small Allen key to adjust, this is not a problem. The problem is most leak from new from the adjust screw, if you get one that doesn't over time it will leak OR it will adjust and the set pressure changes, it will need several adjustments during its life until it fails. We have used these in various pressure ranges and they all go faulty with only several thousand cycles - perhaps some faulty batches but we are moving on to a different manufacturer.


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Created on:
Aug 22, 2016

6 of 6 people found this review helpful.

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Technical Reference
  • RS Components

    Statement of conformity

    The product detailed below complies with the specifications published by RS Components. Where applicable it provides assurance that electrostatic discharge sensitive devices have been handled and packed under conditions that meet the administrative and technical requirements of the ANSI/ESD S20.20:2014 and BS EN 61340-5-1:2007 Electrostatic Control Standards.
    RS Stock No. 297-0052
    Description RS Pro Pressure Switch, G 1/4 1bar to 12 bar
    Manufacturer/Brand: RS Pro
    Mfr. Part No. F4S1/00/M2
    The foregoing information relates to product sold on, or after, the date shown below.
    Date Nov 23, 2017
    RS Components Ltd, Birchington Road, Corby, Northamptonshire, NN17 9RS, UK
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