S4140 Mechanical pressure switch S4140

Low priced pressure switch with normaly closed or normaly open contact


  • Switching points from 0.2 bar
  • Small size (44 mm)
  • Low priced


  • Mechanical engineering
  • Plant construction


Model: S4140



Small mechanical pressure switch with a diaphragm sensing element and one switched output as a NO or NC contact for converting pneumatic and hydraulic pressures into an electrical switching signal.

The adjustment range for increasing pressures begins at 0.2 bar. The setpoint can be chosen even lower in the case of decreasing pressure. An adjusting screw allows setpoints to be easily adjusted, even in situ.

The switch is suitable for media such as compressed air, non-aggressive liquids or self-lubricating fluids. It is available as standard with 1/4" thread galvanized steel process connection. Other connections and materials are possible upon request. The switch can be installed in any desired mounting position.

The S4140 can be used to control and monitor pressure media in machine and plant engineering. Gold-plated contacts are also optionally available for low switching currents.


Principle Pressure switch
Process Connection thread G ", thread NPT
Nominal diameter 1/8"
House Steel
meetelement Staal
uitgang Contacten
Scale range 0..10 bar, 0..25 bar
Manometer diameter
Brand Tecsis
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