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The pressure switch EDS 4400 in ATEX version, serves for use in potentially explosive atmospheres and is based on the EDS 4000 series.

The switching and switch-back point, the function of the switching outputs as N/C or N/O and the switching delay are permanently pre-set according to customer specification.

As with the industry version, the EDS 4400 in ATEX version has a stainless steel measurement cell with thin-film strain gauge for measuring relative pressure in the high-pressure range.

With approval for the following protection types and zones:

  • I M1 Ex ia I
  • II 1G Ex ia IIC T4, T5, T6
  • II 1/2G Ex ia IIC T4, T5, T6
  • II 2G Ex ia IIC T4, T5, T6
  • II 1 D Ex iaD 20 T100°C

almost all requirements are covered regarding ignition group, error class and temperature class.

Versions for other protection types and zones are available on request.


  • Switching point and switch-back point permanently pre-set according to customer specification
  • Accuracy ≤ ± 1% FS
  • Certificates: DEKRA EXAM BVS 07 ATEX E 041 X
  • Various types of electrical connection
  • Very small temperature error
  • Excellent EMC characteristics
  • Excellent durability


Contact us for more information on this product

HYDAC Australia

HYDAC New Zealand

AUSTRALIA 1300 449 322

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