Pressure switch 901 factory-set

Pressure switch 901 factory-set

Factory-set pressure switch monitoring overpressure, vacuum or differential pressure of liquid and gaseous – also aggressive – media.

Pressure setting and switching differential are factory-set by the manufacturer.

For temperature above 85° C metal or PPS pressure connection is required. Upon request pressure connections of other sizes, other plastics or brass nickel-plated are available.

Brand : Beck


Applications :

  • Wastewater technology
  • liquid level measurement
  • pump control
  • medical technology
  • and many more


Technical Data : 

  • Setting ranges:
    TypeFactory-set switching points betweenMaximum positive working pressure
    901.1x5 mbar and 200 mbar
    200 mbar and 1.000 mbar
    0,5 / 4 bar
    1 / 4 bar
    901.41500 mbar and 3.000 mbar10 bar*
    901.511,0 bar and 12 bar25 bar
    901.2x-5 mbar and -200 mbar
    -200 mbar and -900 mbar
    0,5 / 4 bar
    1 / 4 bar
    901.305 mbar and 50 mbar100 mbar
    *For pressure connections made of plastic, the maximum permissible working pressure is 7 bar!
  • Temperature range:
    Ambient temperature from –20°C to 85°C
    Temperature of media up to 85°C or 130°C depending on material of pressure connection and diaphragm.


  • Diaphragm material:
    Depending on media NBR, Silicone, FKM (Viton®), EPDM. For 901.30 Silicone, others upon request.


  • Pressure connection:
    Material: PA, PVDF, PPS, Brass, Stainless steel
    Hose nipple: 5,0mm, 6,5mm, 10,0mm
    Thread: M10x1, G1/8, G1/4, G1/2


  • Electrical rating:
    Specification of the maximum values ​​for ohmic load.
    6(1,5) A/250 VAC
    2 A/24 VDC
    Gilded contact:
    100 mA/24 VAC
    30 mA/24 VDC
    On request AgNi contacts up to 10 A / 250 VAC can also be supplied.


  • Electrical connection:
    AMP flat plug 6.3 x 0.8 mm according to DIN 46244


  • Protection class:
    IP44 / IP54 / IP65 depending on the used protection cap


  • Arrangement of contacts:



Data Sheet



Parshvi Technology