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FW1 Flow Switch Supplier

FW1 Flow Switch

MOQ : 10 Piece

Business Type : Exporter, Supplier

Technical data

Switch Reed switch
Nominal width DN 8..25
Process connection Female thread G 1/4..G 1 (further process connections available on request)
Tolerance ±10 % of full scale value
Pressure resistance PN 100 bar optionally up to PN 800 bar
Media temperature -20..+90 °C
Ambient temperature -20..+70 °C
Media Water (oils and aggressive media available on request)
Switching voltage Max. 230 V AC
Switching current Max. 0.5 A
Switching capacity Max. 50 VA
Protection class 2 - safety insulation
Ingress protection IP 67
Electrical connection For round plug connector M12x1, 4-pole
Materials medium-contact CW614N nickelled, CW614N, POM, 1.4310, hard ferrite
Non-mediumcontact materials PC, 1.4301, 1.4305
Make Honsberg
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Preferred Buyer From

Location Worldwide

Details :

  • Economical design
  • High switching power
  • Insensitive to dirt


Characteristics : Mechanical flow switch, for fluid media, with spring-supported piston and magnetic triggering of a reed switch. Robust construction in brass and POM.

Handling and operation :

  • Include straight calming section of 5 x DN in inlet and outlet
  • Include a filter if the media are dirty (use magnetic filter for ferritic components).
  • It must be ensured that the values given for voltage, current, and power are not exceeded.
  • When switch on, a load must be connected in series.
  • The electrical details apply to ohmic loads. Capacitive, inductive and lamp loads must be operated using a protective circuit.


Options :

  • Switching value for oil
  • Special values
  • Cable outlet 3 m
  • Pressure stages PS 500 and PS 800 for DN 15


Ordering information :

  • Specify direction of flow, medium, and switching range.
  • For oils. State viscosity, temperature and designation (e.g. ISO VG 68) (enquire about switching range).
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