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water pressure switch / piston / for hydraulic applications / OEM
NPA series



  • Fluid:

    for water

  • Technology:


  • Applications:

    for hydraulic applications, OEM, for compressors, for pumps

  • Other characteristics:

    adjustable, IP66

  • Process temperature:

    Min.: -65 °F (-54 °C)

    Max.: 250 °F (121 °C)

  • Pressure range:

    Min.: 60 psi

    Max.: 20,000 psi


The Ashcroft specialty switch is used in applications that include balers, compactors and other types of hydraulic control systems.

It has an IP66 closure and watertight NEMA 4X. It also has high overpressure protection.

Its O-ring sealed piston actuator is vibration-resistant and users can choose the switch elements in all applications. The deadband can either be fixed or adjustable.