ALCO - General Purpose Industrial Pressure Switch
Model: PS1
Pressure Control Range: (-1) - 31 Bar
End Connection: Screwed End, Bottom
Size: 1/4"

NOTE : For different valve specifications, please click 'INQUIRY ME' button located below.


The PS1 series is a consistent product family, combining all features for industrial and commercial applications. The devices conform to many international standards, regulations and approvals. ALCO pressure controls are successful components for several decades.


  • Contacts with extremely low bounce provide high switching capacity and long operating life.
  • Continuous current 24 A, making current 144 A, suitable for direct start-up of single-phase motors up to 3 kW / 4 HP at 230 V AC.
  • Finger-protected terminals (VDE 0106, VBG 4).
  • Generously dimensioned terminal area.
  • Scales marked both in bar and PSIG.
  • Overlapping setting ranges for easy selection.
  • Exact adjustment and high repeat accuracy.
  • Optional with ”AUT - STOP” switch available.
  • Various pressure connections.
  • Self-retaining ± screws to suit various tools.
  • Dual pressure controls with independent switch (SPDT) on each side available. Ask for datasheet of PS2.


Liquid or gaseous media in

  • Process engineering plants.
  • Hydraulics.
  • Pneumatics.
  • Refrigeration and air conditioning.


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