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  • DA 284 Pressure Compensation Device

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  • Parameters
DA 284
Mounting thread M40 x 1.5 or M12 x 1.5 with nut
TorqueM40: 5Nm (max. 10Nm), M12: 0.5Nm (max. 1Nm)
Depth in enclosureM40: approx. 16mm, M12: approx. 8mm
Sealing sealing gasket NBR
Material plastic, light grey
Filterwaterproof membrane
Dimensions M40: Ø 60 x 37mm, M12: Ø 17 x 17.5mm
Fitting position variable

Installation: Make cut-out Ø 40.5+0.5mm in enclosure wall for size M40 or Ø 12+0.2mm for size M12, and mount pressure compensation device with nut. Please make sure that the sealing gasket is put in place on the outer side panel of the enclosure. For optimal pressure compensation we recommend to use two devices on opposite sides towards the top of the enclosure.


Art. No. Protection type1 packing unit Weight (approx.)
28400.0-01IP66 (EN 60529) / IPX9K (EN 40050-9) 1 piece 45g


  • Features

> High degree of protection

> Waterproof membrane

> Easy to install


  • Structure Chart

DA-284.jpg

  • Certification
  • Application

Pressure differentials in enclosures with a high degree of protection are a result of internal and external temperature changes. In the case of negative pressure or partical vacuum, dust and humidity can enter the enclosure through the door seal. When the air inside the enclosure cools down, condensation may occur because the humidity cannot escape the enclosure. The easy-to-install pressure compensation device DA 284 provides compensation of pressure at a protection degree of IP66 (M12: IP68). Even with a slight overpressure, a waterproof membrane inside the plug allows the humidity to escape whilst blocking water and dirt from entering the enclosure.

  • Video

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